31671765

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2179}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 61214400

約数和(自身を除く): 29542635

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1615, 2179, 2907, 4845, 6537, 10895, 14535, 19611, 32685, 37043, 41401, 98055, 111129, 124203, 185215, 207005, 333387, 372609, 555645, 621015, 703817, 1666935, 1863045, 2111451, 3519085, 6334353, 10557255, 31671765]

約数ペア:

[(1, 31671765), (3, 10557255), (5, 6334353), (9, 3519085), (15, 2111451), (17, 1863045), (19, 1666935), (45, 703817), (51, 621015), (57, 555645), (85, 372609), (95, 333387), (153, 207005), (171, 185215), (255, 124203), (285, 111129), (323, 98055), (765, 41401), (855, 37043), (969, 32685), (1615, 19611), (2179, 14535), (2907, 10895), (4845, 6537)]