61978065

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{31541}}^1$

素因数の和:31680

約数の個数: 16

約数和(自身を含む): 99925056

約数和(自身を除く): 37946991

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 31541, 94623, 157705, 473115, 4131871, 12395613, 20659355, 61978065]

約数ペア:

[(1, 61978065), (3, 20659355), (5, 12395613), (15, 4131871), (131, 473115), (393, 157705), (655, 94623), (1965, 31541)]