42154947

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 63365120

約数和(自身を除く): 21210173

約数列:

[1, 3, 9, 31, 93, 139, 279, 417, 1087, 1251, 3261, 4309, 9783, 12927, 33697, 38781, 101091, 151093, 303273, 453279, 1359837, 4683883, 14051649, 42154947]

約数ペア:

[(1, 42154947), (3, 14051649), (9, 4683883), (31, 1359837), (93, 453279), (139, 303273), (279, 151093), (417, 101091), (1087, 38781), (1251, 33697), (3261, 12927), (4309, 9783)]