201421775

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 254047728

約数和(自身を除く): 52625953

約数列:

[1, 5, 25, 101, 241, 331, 505, 1205, 1655, 2525, 6025, 8275, 24341, 33431, 79771, 121705, 167155, 398855, 608525, 835775, 1994275, 8056871, 40284355, 201421775]

約数ペア:

[(1, 201421775), (5, 40284355), (25, 8056871), (101, 1994275), (241, 835775), (331, 608525), (505, 398855), (1205, 167155), (1655, 121705), (2525, 79771), (6025, 33431), (8275, 24341)]