253669221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{3851}}^1$

素因数の和:4433

約数の個数: 24

約数和(自身を含む): 395400096

約数和(自身を除く): 141730875

約数列:

[1, 3, 9, 13, 39, 117, 563, 1689, 3851, 5067, 7319, 11553, 21957, 34659, 50063, 65871, 150189, 450567, 2168113, 6504339, 19513017, 28185469, 84556407, 253669221]

約数ペア:

[(1, 253669221), (3, 84556407), (9, 28185469), (13, 19513017), (39, 6504339), (117, 2168113), (563, 450567), (1689, 150189), (3851, 65871), (5067, 50063), (7319, 34659), (11553, 21957)]