398782017

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{3253}}^1$

素因数の和:3569

約数の個数: 24

約数和(自身を含む): 589351464

約数和(自身を除く): 190569447

約数列:

[1, 3, 9, 53, 159, 257, 477, 771, 2313, 3253, 9759, 13621, 29277, 40863, 122589, 172409, 517227, 836021, 1551681, 2508063, 7524189, 44309113, 132927339, 398782017]

約数ペア:

[(1, 398782017), (3, 132927339), (9, 44309113), (53, 7524189), (159, 2508063), (257, 1551681), (477, 836021), (771, 517227), (2313, 172409), (3253, 122589), (9759, 40863), (13621, 29277)]