25112139

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20771}}^1$

素因数の和:20818

約数の個数: 16

約数和(自身を含む): 37223424

約数和(自身を除く): 12111285

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 20771, 62313, 270023, 643901, 810069, 1931703, 8370713, 25112139]

約数ペア:

[(1, 25112139), (3, 8370713), (13, 1931703), (31, 810069), (39, 643901), (93, 270023), (403, 62313), (1209, 20771)]