238791807

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{11471}}^1$

素因数の和:11740

約数の個数: 20

約数和(自身を含む): 358132896

約数和(自身を除く): 119341089

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 11471, 20817, 34413, 103239, 309717, 929151, 2948047, 8844141, 26532423, 79597269, 238791807]

約数ペア:

[(1, 238791807), (3, 79597269), (9, 26532423), (27, 8844141), (81, 2948047), (257, 929151), (771, 309717), (2313, 103239), (6939, 34413), (11471, 20817)]