278314101

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{182981}}^1$

素因数の和:183013

約数の個数: 18

約数和(自身を含む): 435314178

約数和(自身を除く): 157000077

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 182981, 548943, 1646829, 2378753, 7136259, 21408777, 30923789, 92771367, 278314101]

約数ペア:

[(1, 278314101), (3, 92771367), (9, 30923789), (13, 21408777), (39, 7136259), (117, 2378753), (169, 1646829), (507, 548943), (1521, 182981)]