1395804969

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{917689}}^1$

素因数の和:917721

約数の個数: 18

約数和(自身を含む): 2183184510

約数和(自身を除く): 787379541

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 917689, 2753067, 8259201, 11929957, 35789871, 107369613, 155089441, 465268323, 1395804969]

約数ペア:

[(1, 1395804969), (3, 465268323), (9, 155089441), (13, 107369613), (39, 35789871), (117, 11929957), (169, 8259201), (507, 2753067), (1521, 917689)]