1387389759

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{161531}}^1$

素因数の和:161950

約数の個数: 16

約数和(自身を含む): 2119299840

約数和(自身を除く): 731910081

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 8589, 161531, 484593, 1130717, 3392151, 66066179, 198198537, 462463253, 1387389759]

約数ペア:

[(1, 1387389759), (3, 462463253), (7, 198198537), (21, 66066179), (409, 3392151), (1227, 1130717), (2863, 484593), (8589, 161531)]