64591515

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10957}}^1$

素因数の和:11099

約数の個数: 24

約数和(自身を含む): 112823568

約数和(自身を除く): 48232053

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 10957, 32871, 54785, 98613, 164355, 493065, 1435367, 4306101, 7176835, 12918303, 21530505, 64591515]

約数ペア:

[(1, 64591515), (3, 21530505), (5, 12918303), (9, 7176835), (15, 4306101), (45, 1435367), (131, 493065), (393, 164355), (655, 98613), (1179, 54785), (1965, 32871), (5895, 10957)]