287088021

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 464488128

約数和(自身を除く): 177400107

約数列:

[1, 3, 9, 11, 33, 61, 99, 137, 183, 347, 411, 549, 671, 1041, 1233, 1507, 2013, 3123, 3817, 4521, 6039, 8357, 11451, 13563, 21167, 25071, 34353, 47539, 63501, 75213, 91927, 142617, 190503, 232837, 275781, 427851, 522929, 698511, 827343, 1568787, 2095533, 2899879, 4706361, 8699637, 26098911, 31898669, 95696007, 287088021]

約数ペア:

[(1, 287088021), (3, 95696007), (9, 31898669), (11, 26098911), (33, 8699637), (61, 4706361), (99, 2899879), (137, 2095533), (183, 1568787), (347, 827343), (411, 698511), (549, 522929), (671, 427851), (1041, 275781), (1233, 232837), (1507, 190503), (2013, 142617), (3123, 91927), (3817, 75213), (4521, 63501), (6039, 47539), (8357, 34353), (11451, 25071), (13563, 21167)]