51915555

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16249}}^1$

素因数の和:16331

約数の個数: 24

約数和(自身を含む): 91260000

約数和(自身を除く): 39344445

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 16249, 48747, 81245, 146241, 243735, 731205, 1153679, 3461037, 5768395, 10383111, 17305185, 51915555]

約数ペア:

[(1, 51915555), (3, 17305185), (5, 10383111), (9, 5768395), (15, 3461037), (45, 1153679), (71, 731205), (213, 243735), (355, 146241), (639, 81245), (1065, 48747), (3195, 16249)]