1231290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13681}}^1$

素因数の和:13694

約数の個数: 24

約数和(自身を含む): 3201588

約数和(自身を除く): 1970298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 13681, 27362, 41043, 68405, 82086, 123129, 136810, 205215, 246258, 410430, 615645, 1231290]

約数ペア:

[(1, 1231290), (2, 615645), (3, 410430), (5, 246258), (6, 205215), (9, 136810), (10, 123129), (15, 82086), (18, 68405), (30, 41043), (45, 27362), (90, 13681)]