156531039

素因数分解:

$3^1\times 7^2\times {\mathrm{821}}^1\times {\mathrm{1297}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 243265968

約数和(自身を除く): 86734929

約数列:

[1, 3, 7, 21, 49, 147, 821, 1297, 2463, 3891, 5747, 9079, 17241, 27237, 40229, 63553, 120687, 190659, 1064837, 3194511, 7453859, 22361577, 52177013, 156531039]

約数ペア:

[(1, 156531039), (3, 52177013), (7, 22361577), (21, 7453859), (49, 3194511), (147, 1064837), (821, 190659), (1297, 120687), (2463, 63553), (3891, 40229), (5747, 27237), (9079, 17241)]