628720911

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6451}}^1$

素因数の和:6501

約数の個数: 72

約数和(自身を含む): 1204794864

約数和(自身を除く): 576073953

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 357, 441, 637, 663, 819, 833, 1071, 1547, 1911, 1989, 2499, 4641, 5733, 6451, 7497, 10829, 13923, 19353, 32487, 45157, 58059, 83863, 97461, 109667, 135471, 251589, 316099, 329001, 406413, 587041, 754767, 767669, 948297, 987003, 1425671, 1761123, 2303007, 2844891, 4109287, 4277013, 5283369, 5373683, 6909021, 9979697, 12327861, 12831039, 16121049, 29939091, 36983583, 48363147, 69857879, 89817273, 209573637, 628720911]

約数ペア:

[(1, 628720911), (3, 209573637), (7, 89817273), (9, 69857879), (13, 48363147), (17, 36983583), (21, 29939091), (39, 16121049), (49, 12831039), (51, 12327861), (63, 9979697), (91, 6909021), (117, 5373683), (119, 5283369), (147, 4277013), (153, 4109287), (221, 2844891), (273, 2303007), (357, 1761123), (441, 1425671), (637, 987003), (663, 948297), (819, 767669), (833, 754767), (1071, 587041), (1547, 406413), (1911, 329001), (1989, 316099), (2499, 251589), (4641, 135471), (5733, 109667), (6451, 97461), (7497, 83863), (10829, 58059), (13923, 45157), (19353, 32487)]