1997304885

素因数分解:

$3^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{9883}}^1$

素因数の和:10399

約数の個数: 40

約数和(自身を含む): 3587892000

約数和(自身を除く): 1590587115

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 499, 1497, 2495, 4491, 7485, 9883, 13473, 22455, 29649, 40419, 49415, 67365, 88947, 148245, 202095, 266841, 444735, 800523, 1334205, 4002615, 4931617, 14794851, 24658085, 44384553, 73974255, 133153659, 221922765, 399460977, 665768295, 1997304885]

約数ペア:

[(1, 1997304885), (3, 665768295), (5, 399460977), (9, 221922765), (15, 133153659), (27, 73974255), (45, 44384553), (81, 24658085), (135, 14794851), (405, 4931617), (499, 4002615), (1497, 1334205), (2495, 800523), (4491, 444735), (7485, 266841), (9883, 202095), (13473, 148245), (22455, 88947), (29649, 67365), (40419, 49415)]