1981965

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1940

約数の個数: 16

約数和(自身を含む): 3217536

約数和(自身を除く): 1235571

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 1861, 5583, 9305, 27915, 132131, 396393, 660655, 1981965]

約数ペア:

[(1, 1981965), (3, 660655), (5, 396393), (15, 132131), (71, 27915), (213, 9305), (355, 5583), (1065, 1861)]