25871139

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2459}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 42981120

約数和(自身を除く): 17109981

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 2459, 3507, 7377, 10521, 17213, 22131, 51639, 154917, 410653, 1231959, 2874571, 3695877, 8623713, 25871139]

約数ペア:

[(1, 25871139), (3, 8623713), (7, 3695877), (9, 2874571), (21, 1231959), (63, 410653), (167, 154917), (501, 51639), (1169, 22131), (1503, 17213), (2459, 10521), (3507, 7377)]