427776775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{601}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 540152928

約数和(自身を除く): 112376153

約数列:

[1, 5, 25, 71, 355, 401, 601, 1775, 2005, 3005, 10025, 15025, 28471, 42671, 142355, 213355, 241001, 711775, 1066775, 1205005, 6025025, 17111071, 85555355, 427776775]

約数ペア:

[(1, 427776775), (5, 85555355), (25, 17111071), (71, 6025025), (355, 1205005), (401, 1066775), (601, 711775), (1775, 241001), (2005, 213355), (3005, 142355), (10025, 42671), (15025, 28471)]