30621807

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{1471}}^1$

素因数の和:1740

約数の個数: 20

約数和(自身を含む): 45952896

約数和(自身を除く): 15331089

約数列:

[1, 3, 9, 27, 81, 257, 771, 1471, 2313, 4413, 6939, 13239, 20817, 39717, 119151, 378047, 1134141, 3402423, 10207269, 30621807]

約数ペア:

[(1, 30621807), (3, 10207269), (9, 3402423), (27, 1134141), (81, 378047), (257, 119151), (771, 39717), (1471, 20817), (2313, 13239), (4413, 6939)]