3855663

素因数分解:

$3^2\times 7^3\times {\mathrm{1249}}^1$

素因数の和:1276

約数の個数: 24

約数和(自身を含む): 6500000

約数和(自身を除く): 2644337

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 1249, 3087, 3747, 8743, 11241, 26229, 61201, 78687, 183603, 428407, 550809, 1285221, 3855663]

約数ペア:

[(1, 3855663), (3, 1285221), (7, 550809), (9, 428407), (21, 183603), (49, 78687), (63, 61201), (147, 26229), (343, 11241), (441, 8743), (1029, 3747), (1249, 3087)]