8721000981

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1607}}^1$

素因数の和:1863

約数の個数: 96

約数和(自身を含む): 16182706176

約数和(自身を除く): 7461705195

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 123, 191, 231, 287, 369, 451, 573, 693, 861, 1337, 1353, 1607, 1719, 2101, 2583, 3157, 4011, 4059, 4821, 6303, 7831, 9471, 11249, 12033, 14463, 14707, 17677, 18909, 23493, 28413, 33747, 44121, 53031, 54817, 65887, 70479, 86141, 101241, 123739, 132363, 159093, 164451, 197661, 258423, 306937, 371217, 461209, 493353, 592983, 602987, 724757, 775269, 920811, 1113651, 1383627, 1808961, 2148559, 2174271, 2762433, 3376307, 4150881, 5073299, 5426883, 6445677, 6522813, 10128921, 12584417, 15219897, 19337031, 23634149, 30386763, 37753251, 45659691, 70902447, 88090919, 113259753, 138428587, 212707341, 264272757, 415285761, 792818271, 969000109, 1245857283, 2907000327, 8721000981]

約数ペア:

[(1, 8721000981), (3, 2907000327), (7, 1245857283), (9, 969000109), (11, 792818271), (21, 415285761), (33, 264272757), (41, 212707341), (63, 138428587), (77, 113259753), (99, 88090919), (123, 70902447), (191, 45659691), (231, 37753251), (287, 30386763), (369, 23634149), (451, 19337031), (573, 15219897), (693, 12584417), (861, 10128921), (1337, 6522813), (1353, 6445677), (1607, 5426883), (1719, 5073299), (2101, 4150881), (2583, 3376307), (3157, 2762433), (4011, 2174271), (4059, 2148559), (4821, 1808961), (6303, 1383627), (7831, 1113651), (9471, 920811), (11249, 775269), (12033, 724757), (14463, 602987), (14707, 592983), (17677, 493353), (18909, 461209), (23493, 371217), (28413, 306937), (33747, 258423), (44121, 197661), (53031, 164451), (54817, 159093), (65887, 132363), (70479, 123739), (86141, 101241)]