72067401

素因数分解:

$3^4\times 7^1\times {\mathrm{127103}}^1$

素因数の和:127122

約数の個数: 20

約数和(自身を含む): 123036672

約数和(自身を除く): 50969271

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 127103, 381309, 889721, 1143927, 2669163, 3431781, 8007489, 10295343, 24022467, 72067401]

約数ペア:

[(1, 72067401), (3, 24022467), (7, 10295343), (9, 8007489), (21, 3431781), (27, 2669163), (63, 1143927), (81, 889721), (189, 381309), (567, 127103)]