180149151

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{8353}}^1$

素因数の和:8455

約数の個数: 32

約数和(自身を含む): 299407360

約数和(自身を除く): 119258209

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 3081, 7189, 8353, 21567, 25059, 58471, 108589, 175413, 325767, 659887, 760123, 1979661, 2280369, 4619209, 8578531, 13857627, 25735593, 60049717, 180149151]

約数ペア:

[(1, 180149151), (3, 60049717), (7, 25735593), (13, 13857627), (21, 8578531), (39, 4619209), (79, 2280369), (91, 1979661), (237, 760123), (273, 659887), (553, 325767), (1027, 175413), (1659, 108589), (3081, 58471), (7189, 25059), (8353, 21567)]