390069183

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{1511}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 627056640

約数和(自身を除く): 236987457

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 647, 1511, 1941, 4529, 4533, 10577, 12293, 13587, 28709, 31731, 36879, 86051, 86127, 200963, 258153, 602889, 977617, 2932851, 6843319, 18574723, 20529957, 55724169, 130023061, 390069183]

約数ペア:

[(1, 390069183), (3, 130023061), (7, 55724169), (19, 20529957), (21, 18574723), (57, 6843319), (133, 2932851), (399, 977617), (647, 602889), (1511, 258153), (1941, 200963), (4529, 86127), (4533, 86051), (10577, 36879), (12293, 31731), (13587, 28709)]