31513461

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 52109568

約数和(自身を除く): 20596107

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 2153, 4879, 6459, 14637, 15071, 36601, 45213, 88273, 109803, 256207, 264819, 617911, 768621, 1500641, 1853733, 4501923, 10504487, 31513461]

約数ペア:

[(1, 31513461), (3, 10504487), (7, 4501923), (17, 1853733), (21, 1500641), (41, 768621), (51, 617911), (119, 264819), (123, 256207), (287, 109803), (357, 88273), (697, 45213), (861, 36601), (2091, 15071), (2153, 14637), (4879, 6459)]