2878239

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{811}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 4755072

約数和(自身を除く): 1876833

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 811, 1183, 2433, 3549, 5677, 10543, 17031, 31629, 73801, 137059, 221403, 411177, 959413, 2878239]

約数ペア:

[(1, 2878239), (3, 959413), (7, 411177), (13, 221403), (21, 137059), (39, 73801), (91, 31629), (169, 17031), (273, 10543), (507, 5677), (811, 3549), (1183, 2433)]