155564721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{1499}}^1$

素因数の和:2405

約数の個数: 24

約数和(自身を含む): 242424000

約数和(自身を除く): 86859279

約数列:

[1, 3, 9, 13, 39, 117, 887, 1499, 2661, 4497, 7983, 11531, 13491, 19487, 34593, 58461, 103779, 175383, 1329613, 3988839, 11966517, 17284969, 51854907, 155564721]

約数ペア:

[(1, 155564721), (3, 51854907), (9, 17284969), (13, 11966517), (39, 3988839), (117, 1329613), (887, 175383), (1499, 103779), (2661, 58461), (4497, 34593), (7983, 19487), (11531, 13491)]