27720209517

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1559}}^1$

素因数の和:1815

約数の個数: 128

約数和(自身を含む): 51527024640

約数和(自身を除く): 23806815123

約数列:

[1, 3, 7, 11, 13, 21, 31, 33, 39, 77, 91, 93, 143, 191, 217, 231, 273, 341, 403, 429, 573, 651, 1001, 1023, 1209, 1337, 1559, 2101, 2387, 2483, 2821, 3003, 4011, 4433, 4677, 5921, 6303, 7161, 7449, 8463, 10913, 13299, 14707, 17149, 17381, 17763, 20267, 27313, 31031, 32739, 41447, 44121, 48329, 51447, 52143, 60801, 65131, 76973, 81939, 93093, 120043, 124341, 141869, 144987, 191191, 195393, 222937, 230919, 297769, 338303, 360129, 425607, 455917, 531619, 538811, 573573, 628277, 668811, 846703, 893307, 1014909, 1367751, 1560559, 1594857, 1616433, 1884831, 2084383, 2540109, 3275459, 3721333, 3870997, 4397939, 4681677, 5926921, 6253149, 6911047, 9230839, 9826377, 11163999, 11612991, 13193817, 17780763, 20733141, 22928213, 27096979, 27692517, 42580967, 48377329, 64615873, 68784639, 81290937, 101539229, 120000907, 127742901, 145131987, 193847619, 298066769, 304617687, 360002721, 710774603, 840006349, 894200307, 1320009977, 2132323809, 2520019047, 3960029931, 9240069839, 27720209517]

約数ペア:

[(1, 27720209517), (3, 9240069839), (7, 3960029931), (11, 2520019047), (13, 2132323809), (21, 1320009977), (31, 894200307), (33, 840006349), (39, 710774603), (77, 360002721), (91, 304617687), (93, 298066769), (143, 193847619), (191, 145131987), (217, 127742901), (231, 120000907), (273, 101539229), (341, 81290937), (403, 68784639), (429, 64615873), (573, 48377329), (651, 42580967), (1001, 27692517), (1023, 27096979), (1209, 22928213), (1337, 20733141), (1559, 17780763), (2101, 13193817), (2387, 11612991), (2483, 11163999), (2821, 9826377), (3003, 9230839), (4011, 6911047), (4433, 6253149), (4677, 5926921), (5921, 4681677), (6303, 4397939), (7161, 3870997), (7449, 3721333), (8463, 3275459), (10913, 2540109), (13299, 2084383), (14707, 1884831), (17149, 1616433), (17381, 1594857), (17763, 1560559), (20267, 1367751), (27313, 1014909), (31031, 893307), (32739, 846703), (41447, 668811), (44121, 628277), (48329, 573573), (51447, 538811), (52143, 531619), (60801, 455917), (65131, 425607), (76973, 360129), (81939, 338303), (93093, 297769), (120043, 230919), (124341, 222937), (141869, 195393), (144987, 191191)]