30781977

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{691}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 42516480

約数和(自身を除く): 11734503

約数列:

[1, 3, 31, 93, 479, 691, 1437, 2073, 14849, 21421, 44547, 64263, 330989, 992967, 10260659, 30781977]

約数ペア:

[(1, 30781977), (3, 10260659), (31, 992967), (93, 330989), (479, 64263), (691, 44547), (1437, 21421), (2073, 14849)]