77128245

素因数分解:

$3^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1571}}^1$

素因数の和:2673

約数の個数: 24

約数和(自身を含む): 133896672

約数和(自身を除く): 56768427

約数列:

[1, 3, 5, 9, 15, 45, 1091, 1571, 3273, 4713, 5455, 7855, 9819, 14139, 16365, 23565, 49095, 70695, 1713961, 5141883, 8569805, 15425649, 25709415, 77128245]

約数ペア:

[(1, 77128245), (3, 25709415), (5, 15425649), (9, 8569805), (15, 5141883), (45, 1713961), (1091, 70695), (1571, 49095), (3273, 23565), (4713, 16365), (5455, 14139), (7855, 9819)]