12920453

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3463}}^1$

素因数の和:3524

約数の個数: 16

約数和(自身を含む): 16294656

約数和(自身を除く): 3374203

約数列:

[1, 7, 13, 41, 91, 287, 533, 3463, 3731, 24241, 45019, 141983, 315133, 993881, 1845779, 12920453]

約数ペア:

[(1, 12920453), (7, 1845779), (13, 993881), (41, 315133), (91, 141983), (287, 45019), (533, 24241), (3463, 3731)]