81147305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{2741}}^1$

素因数の和:2968

約数の個数: 16

約数和(自身を含む): 101081088

約数和(自身を除く): 19933783

約数列:

[1, 5, 31, 155, 191, 955, 2741, 5921, 13705, 29605, 84971, 424855, 523531, 2617655, 16229461, 81147305]

約数ペア:

[(1, 81147305), (5, 16229461), (31, 2617655), (155, 523531), (191, 424855), (955, 84971), (2741, 29605), (5921, 13705)]