210320205

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 341712000

約数和(自身を除く): 131391795

約数列:

[1, 3, 5, 15, 139, 149, 417, 447, 677, 695, 745, 2031, 2085, 2235, 3385, 10155, 20711, 62133, 94103, 100873, 103555, 282309, 302619, 310665, 470515, 504365, 1411545, 1513095, 14021347, 42064041, 70106735, 210320205]

約数ペア:

[(1, 210320205), (3, 70106735), (5, 42064041), (15, 14021347), (139, 1513095), (149, 1411545), (417, 504365), (447, 470515), (677, 310665), (695, 302619), (745, 282309), (2031, 103555), (2085, 100873), (2235, 94103), (3385, 62133), (10155, 20711)]