64720185

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{38183}}^1$

素因数の和:38304

約数の個数: 16

約数和(自身を含む): 104471424

約数和(自身を除く): 39751239

約数列:

[1, 3, 5, 15, 113, 339, 565, 1695, 38183, 114549, 190915, 572745, 4314679, 12944037, 21573395, 64720185]

約数ペア:

[(1, 64720185), (3, 21573395), (5, 12944037), (15, 4314679), (113, 572745), (339, 190915), (565, 114549), (1695, 38183)]