71978235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1487}}^1$

素因数の和:1963

約数の個数: 32

約数和(自身を含む): 131991552

約数和(自身を除く): 60013317

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 461, 1383, 1487, 2305, 3227, 4461, 6915, 7435, 9681, 10409, 16135, 22305, 31227, 48405, 52045, 156135, 685507, 2056521, 3427535, 4798549, 10282605, 14395647, 23992745, 71978235]

約数ペア:

[(1, 71978235), (3, 23992745), (5, 14395647), (7, 10282605), (15, 4798549), (21, 3427535), (35, 2056521), (105, 685507), (461, 156135), (1383, 52045), (1487, 48405), (2305, 31227), (3227, 22305), (4461, 16135), (6915, 10409), (7435, 9681)]