205256745

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{45161}}^1$

素因数の和:45273

約数の個数: 24

約数和(自身を含む): 359308872

約数和(自身を除く): 154052127

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4545, 45161, 135483, 225805, 406449, 677415, 2032245, 4561261, 13683783, 22806305, 41051349, 68418915, 205256745]

約数ペア:

[(1, 205256745), (3, 68418915), (5, 41051349), (9, 22806305), (15, 13683783), (45, 4561261), (101, 2032245), (303, 677415), (505, 406449), (909, 225805), (1515, 135483), (4545, 45161)]