201813405

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2251}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 332935680

約数和(自身を除く): 131122275

約数列:

[1, 3, 5, 15, 43, 129, 139, 215, 417, 645, 695, 2085, 2251, 5977, 6753, 11255, 17931, 29885, 33765, 89655, 96793, 290379, 312889, 483965, 938667, 1451895, 1564445, 4693335, 13454227, 40362681, 67271135, 201813405]

約数ペア:

[(1, 201813405), (3, 67271135), (5, 40362681), (15, 13454227), (43, 4693335), (129, 1564445), (139, 1451895), (215, 938667), (417, 483965), (645, 312889), (695, 290379), (2085, 96793), (2251, 89655), (5977, 33765), (6753, 29885), (11255, 17931)]