13215225

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 23427072

約数和(自身を除く): 10211847

約数列:

[1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 141, 163, 235, 345, 489, 575, 705, 815, 1081, 1175, 1725, 2445, 3243, 3525, 3749, 4075, 5405, 7661, 11247, 12225, 16215, 18745, 22983, 27025, 38305, 56235, 81075, 93725, 114915, 176203, 191525, 281175, 528609, 574575, 881015, 2643045, 4405075, 13215225]

約数ペア:

[(1, 13215225), (3, 4405075), (5, 2643045), (15, 881015), (23, 574575), (25, 528609), (47, 281175), (69, 191525), (75, 176203), (115, 114915), (141, 93725), (163, 81075), (235, 56235), (345, 38305), (489, 27025), (575, 22983), (705, 18745), (815, 16215), (1081, 12225), (1175, 11247), (1725, 7661), (2445, 5405), (3243, 4075), (3525, 3749)]