25288209

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 37619712

約数和(自身を除く): 12331503

約数列:

[1, 3, 9, 47, 141, 191, 313, 423, 573, 939, 1719, 2817, 8977, 14711, 26931, 44133, 59783, 80793, 132399, 179349, 538047, 2809801, 8429403, 25288209]

約数ペア:

[(1, 25288209), (3, 8429403), (9, 2809801), (47, 538047), (141, 179349), (191, 132399), (313, 80793), (423, 59783), (573, 44133), (939, 26931), (1719, 14711), (2817, 8977)]