12915825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1019}}^1$

素因数の和:1058

約数の個数: 36

約数和(自身を含む): 23145840

約数和(自身を除く): 10230015

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 845, 975, 1019, 2535, 3057, 4225, 5095, 12675, 13247, 15285, 25475, 39741, 66235, 76425, 172211, 198705, 331175, 516633, 861055, 993525, 2583165, 4305275, 12915825]

約数ペア:

[(1, 12915825), (3, 4305275), (5, 2583165), (13, 993525), (15, 861055), (25, 516633), (39, 331175), (65, 198705), (75, 172211), (169, 76425), (195, 66235), (325, 39741), (507, 25475), (845, 15285), (975, 13247), (1019, 12675), (2535, 5095), (3057, 4225)]