205512885

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{857}}^1$

素因数の和:1014

約数の個数: 36

約数和(自身を含む): 361590372

約数和(自身を除く): 156077487

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 857, 1095, 2571, 3285, 4285, 5329, 7713, 12855, 15987, 26645, 38565, 47961, 62561, 79935, 187683, 239805, 312805, 563049, 938415, 2815245, 4566953, 13700859, 22834765, 41102577, 68504295, 205512885]

約数ペア:

[(1, 205512885), (3, 68504295), (5, 41102577), (9, 22834765), (15, 13700859), (45, 4566953), (73, 2815245), (219, 938415), (365, 563049), (657, 312805), (857, 239805), (1095, 187683), (2571, 79935), (3285, 62561), (4285, 47961), (5329, 38565), (7713, 26645), (12855, 15987)]