20171736753

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{19379}}^1$

素因数の和:19566

約数の個数: 48

約数和(自身を含む): 32043977280

約数和(自身を除く): 11872240527

約数列:

[1, 3, 7, 21, 49, 73, 97, 147, 219, 291, 511, 679, 1533, 2037, 3577, 4753, 7081, 10731, 14259, 19379, 21243, 49567, 58137, 135653, 148701, 346969, 406959, 949571, 1040907, 1414667, 1879763, 2848713, 4244001, 5639289, 9902669, 13158341, 29708007, 39475023, 69318683, 92108387, 137222699, 207956049, 276325161, 411668097, 960558893, 2881676679, 6723912251, 20171736753]

約数ペア:

[(1, 20171736753), (3, 6723912251), (7, 2881676679), (21, 960558893), (49, 411668097), (73, 276325161), (97, 207956049), (147, 137222699), (219, 92108387), (291, 69318683), (511, 39475023), (679, 29708007), (1533, 13158341), (2037, 9902669), (3577, 5639289), (4753, 4244001), (7081, 2848713), (10731, 1879763), (14259, 1414667), (19379, 1040907), (21243, 949571), (49567, 406959), (58137, 346969), (135653, 148701)]