16515825

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^2\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 36

約数和(自身を含む): 28202064

約数和(自身を除く): 11686239

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 131, 205, 393, 615, 655, 1025, 1681, 1965, 3075, 3275, 5043, 5371, 8405, 9825, 16113, 25215, 26855, 42025, 80565, 126075, 134275, 220211, 402825, 660633, 1101055, 3303165, 5505275, 16515825]

約数ペア:

[(1, 16515825), (3, 5505275), (5, 3303165), (15, 1101055), (25, 660633), (41, 402825), (75, 220211), (123, 134275), (131, 126075), (205, 80565), (393, 42025), (615, 26855), (655, 25215), (1025, 16113), (1681, 9825), (1965, 8405), (3075, 5371), (3275, 5043)]