87817725

素因数分解:

$3^2\times 5^2\times {\mathrm{607}}^1\times {\mathrm{643}}^1$

素因数の和:1266

約数の個数: 36

約数和(自身を含む): 157795456

約数和(自身を除く): 69977731

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 607, 643, 1821, 1929, 3035, 3215, 5463, 5787, 9105, 9645, 15175, 16075, 27315, 28935, 45525, 48225, 136575, 144675, 390301, 1170903, 1951505, 3512709, 5854515, 9757525, 17563545, 29272575, 87817725]

約数ペア:

[(1, 87817725), (3, 29272575), (5, 17563545), (9, 9757525), (15, 5854515), (25, 3512709), (45, 1951505), (75, 1170903), (225, 390301), (607, 144675), (643, 136575), (1821, 48225), (1929, 45525), (3035, 28935), (3215, 27315), (5463, 16075), (5787, 15175), (9105, 9645)]