25077663

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 42588000

約数和(自身を除く): 17510337

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 87, 117, 171, 247, 261, 377, 389, 551, 741, 1131, 1167, 1653, 2223, 3393, 3501, 4959, 5057, 7163, 7391, 11281, 15171, 21489, 22173, 33843, 45513, 64467, 66519, 96083, 101529, 146653, 214339, 288249, 439959, 643017, 864747, 1319877, 1929051, 2786407, 8359221, 25077663]

約数ペア:

[(1, 25077663), (3, 8359221), (9, 2786407), (13, 1929051), (19, 1319877), (29, 864747), (39, 643017), (57, 439959), (87, 288249), (117, 214339), (171, 146653), (247, 101529), (261, 96083), (377, 66519), (389, 64467), (551, 45513), (741, 33843), (1131, 22173), (1167, 21489), (1653, 15171), (2223, 11281), (3393, 7391), (3501, 7163), (4959, 5057)]