18910565559

素因数分解:

$3^3\times {\mathrm{10177}}^1\times {\mathrm{68821}}^1$

素因数の和:79007

約数の個数: 16

約数和(自身を含む): 28018812640

約数和(自身を除く): 9108247081

約数列:

[1, 3, 9, 27, 10177, 30531, 68821, 91593, 206463, 274779, 619389, 1858167, 700391317, 2101173951, 6303521853, 18910565559]

約数ペア:

[(1, 18910565559), (3, 6303521853), (9, 2101173951), (27, 700391317), (10177, 1858167), (30531, 619389), (68821, 274779), (91593, 206463)]