71221518

素因数分解:

$2^1\times 3^4\times {\mathrm{439639}}^1$

素因数の和:439653

約数の個数: 20

約数和(自身を含む): 159589320

約数和(自身を除く): 88367802

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 439639, 879278, 1318917, 2637834, 3956751, 7913502, 11870253, 23740506, 35610759, 71221518]

約数ペア:

[(1, 71221518), (2, 35610759), (3, 23740506), (6, 11870253), (9, 7913502), (18, 3956751), (27, 2637834), (54, 1318917), (81, 879278), (162, 439639)]