155161251

素因数分解:

$3^4\times 7^1\times {\mathrm{273653}}^1$

素因数の和:273672

約数の個数: 20

約数和(自身を含む): 264897072

約数和(自身を除く): 109735821

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 273653, 820959, 1915571, 2462877, 5746713, 7388631, 17240139, 22165893, 51720417, 155161251]

約数ペア:

[(1, 155161251), (3, 51720417), (7, 22165893), (9, 17240139), (21, 7388631), (27, 5746713), (63, 2462877), (81, 1915571), (189, 820959), (567, 273653)]