15561371

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 19206720

約数和(自身を除く): 3645349

約数列:

[1, 7, 29, 47, 49, 203, 233, 329, 1363, 1421, 1631, 2303, 6757, 9541, 10951, 11417, 47299, 66787, 76657, 317579, 331093, 536599, 2223053, 15561371]

約数ペア:

[(1, 15561371), (7, 2223053), (29, 536599), (47, 331093), (49, 317579), (203, 76657), (233, 66787), (329, 47299), (1363, 11417), (1421, 10951), (1631, 9541), (2303, 6757)]