26991153

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{22549}}^1$

素因数の和:22581

約数の個数: 24

約数和(自身を含む): 46904000

約数和(自身を除く): 19912847

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 22549, 67647, 157843, 202941, 428431, 473529, 1285293, 1420587, 2999017, 3855879, 8997051, 26991153]

約数ペア:

[(1, 26991153), (3, 8997051), (7, 3855879), (9, 2999017), (19, 1420587), (21, 1285293), (57, 473529), (63, 428431), (133, 202941), (171, 157843), (399, 67647), (1197, 22549)]