64396425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{2971}}^1$

素因数の和:3018

約数の個数: 36

約数和(自身を含む): 113138096

約数和(自身を除く): 48741671

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 867, 1275, 1445, 2971, 4335, 7225, 8913, 14855, 21675, 44565, 50507, 74275, 151521, 222825, 252535, 757605, 858619, 1262675, 2575857, 3788025, 4293095, 12879285, 21465475, 64396425]

約数ペア:

[(1, 64396425), (3, 21465475), (5, 12879285), (15, 4293095), (17, 3788025), (25, 2575857), (51, 1262675), (75, 858619), (85, 757605), (255, 252535), (289, 222825), (425, 151521), (867, 74275), (1275, 50507), (1445, 44565), (2971, 21675), (4335, 14855), (7225, 8913)]