2780895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1097}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 4822416

約数和(自身を除く): 2041521

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 1097, 2535, 3291, 5485, 14261, 16455, 42783, 71305, 185393, 213915, 556179, 926965, 2780895]

約数ペア:

[(1, 2780895), (3, 926965), (5, 556179), (13, 213915), (15, 185393), (39, 71305), (65, 42783), (169, 16455), (195, 14261), (507, 5485), (845, 3291), (1097, 2535)]