201227913

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{1481}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 300857856

約数和(自身を除く): 99629943

約数列:

[1, 3, 9, 31, 93, 279, 487, 1461, 1481, 4383, 4443, 13329, 15097, 45291, 45911, 135873, 137733, 413199, 721247, 2163741, 6491223, 22358657, 67075971, 201227913]

約数ペア:

[(1, 201227913), (3, 67075971), (9, 22358657), (31, 6491223), (93, 2163741), (279, 721247), (487, 413199), (1461, 137733), (1481, 135873), (4383, 45911), (4443, 45291), (13329, 15097)]