25216863

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 15425697

約数列:

[1, 3, 7, 21, 29, 47, 87, 141, 203, 329, 609, 881, 987, 1363, 2643, 4089, 6167, 9541, 18501, 25549, 28623, 41407, 76647, 124221, 178843, 289849, 536529, 869547, 1200803, 3602409, 8405621, 25216863]

約数ペア:

[(1, 25216863), (3, 8405621), (7, 3602409), (21, 1200803), (29, 869547), (47, 536529), (87, 289849), (141, 178843), (203, 124221), (329, 76647), (609, 41407), (881, 28623), (987, 25549), (1363, 18501), (2643, 9541), (4089, 6167)]