12785019

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 18692352

約数和(自身を除く): 5907333

約数列:

[1, 3, 13, 39, 151, 167, 169, 453, 501, 507, 1963, 2171, 5889, 6513, 25217, 25519, 28223, 75651, 76557, 84669, 327821, 983463, 4261673, 12785019]

約数ペア:

[(1, 12785019), (3, 4261673), (13, 983463), (39, 327821), (151, 84669), (167, 76557), (169, 75651), (453, 28223), (501, 25519), (507, 25217), (1963, 6513), (2171, 5889)]