225720945

素因数分解:

$3^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1951}}^1$

素因数の和:2822

約数の個数: 32

約数和(自身を含む): 401955840

約数和(自身を除く): 176234895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 857, 1951, 2571, 4285, 5853, 7713, 9755, 12855, 17559, 23139, 29265, 38565, 52677, 87795, 115695, 263385, 1672007, 5016021, 8360035, 15048063, 25080105, 45144189, 75240315, 225720945]

約数ペア:

[(1, 225720945), (3, 75240315), (5, 45144189), (9, 25080105), (15, 15048063), (27, 8360035), (45, 5016021), (135, 1672007), (857, 263385), (1951, 115695), (2571, 87795), (4285, 52677), (5853, 38565), (7713, 29265), (9755, 23139), (12855, 17559)]