12990081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4013}}^1$

素因数の和:4112

約数の個数: 16

約数和(自身を含む): 18881856

約数和(自身を除く): 5891775

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 4013, 12039, 52169, 156507, 333079, 999237, 4330027, 12990081]

約数ペア:

[(1, 12990081), (3, 4330027), (13, 999237), (39, 333079), (83, 156507), (249, 52169), (1079, 12039), (3237, 4013)]