247702995

素因数分解:

$3^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{2141}}^1$

素因数の和:3012

約数の個数: 32

約数和(自身を含む): 441080640

約数和(自身を除く): 193377645

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 857, 2141, 2571, 4285, 6423, 7713, 10705, 12855, 19269, 23139, 32115, 38565, 57807, 96345, 115695, 289035, 1834837, 5504511, 9174185, 16513533, 27522555, 49540599, 82567665, 247702995]

約数ペア:

[(1, 247702995), (3, 82567665), (5, 49540599), (9, 27522555), (15, 16513533), (27, 9174185), (45, 5504511), (135, 1834837), (857, 289035), (2141, 115695), (2571, 96345), (4285, 57807), (6423, 38565), (7713, 32115), (10705, 23139), (12855, 19269)]