27998943

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2411}}^1$

素因数の和:2507

約数の個数: 24

約数和(自身を含む): 43994880

約数和(自身を除く): 15995937

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 2411, 3871, 7233, 11613, 16877, 50631, 118139, 190469, 354417, 571407, 1333283, 3999849, 9332981, 27998943]

約数ペア:

[(1, 27998943), (3, 9332981), (7, 3999849), (21, 1333283), (49, 571407), (79, 354417), (147, 190469), (237, 118139), (553, 50631), (1659, 16877), (2411, 11613), (3871, 7233)]