31121901

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{13249}}^1$

素因数の和:13290

約数の個数: 20

約数和(自身を含む): 48097500

約数和(自身を除く): 16975599

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 13249, 39747, 119241, 357723, 384221, 1073169, 1152663, 3457989, 10373967, 31121901]

約数ペア:

[(1, 31121901), (3, 10373967), (9, 3457989), (27, 1152663), (29, 1073169), (81, 384221), (87, 357723), (261, 119241), (783, 39747), (2349, 13249)]