2148872607

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{6991}}^1$

素因数の和:7069

約数の個数: 72

約数和(自身を含む): 3916890432

約数和(自身を除く): 1768017825

約数列:

[1, 3, 7, 9, 17, 21, 41, 49, 51, 63, 119, 123, 147, 153, 287, 357, 369, 441, 697, 833, 861, 1071, 2009, 2091, 2499, 2583, 4879, 6027, 6273, 6991, 7497, 14637, 18081, 20973, 34153, 43911, 48937, 62919, 102459, 118847, 146811, 286631, 307377, 342559, 356541, 440433, 831929, 859893, 1027677, 1069623, 2006417, 2495787, 2579679, 3083031, 4872727, 5823503, 6019251, 7487361, 14044919, 14618181, 17470509, 18057753, 34109089, 42134757, 43854543, 52411527, 102327267, 126404271, 238763623, 306981801, 716290869, 2148872607]

約数ペア:

[(1, 2148872607), (3, 716290869), (7, 306981801), (9, 238763623), (17, 126404271), (21, 102327267), (41, 52411527), (49, 43854543), (51, 42134757), (63, 34109089), (119, 18057753), (123, 17470509), (147, 14618181), (153, 14044919), (287, 7487361), (357, 6019251), (369, 5823503), (441, 4872727), (697, 3083031), (833, 2579679), (861, 2495787), (1071, 2006417), (2009, 1069623), (2091, 1027677), (2499, 859893), (2583, 831929), (4879, 440433), (6027, 356541), (6273, 342559), (6991, 307377), (7497, 286631), (14637, 146811), (18081, 118847), (20973, 102459), (34153, 62919), (43911, 48937)]