28642995

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17203}}^1$

素因数の和:17251

約数の個数: 24

約数和(自身を含む): 50992656

約数和(自身を除く): 22349661

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 17203, 51609, 86015, 154827, 258045, 636511, 774135, 1909533, 3182555, 5728599, 9547665, 28642995]

約数ペア:

[(1, 28642995), (3, 9547665), (5, 5728599), (9, 3182555), (15, 1909533), (37, 774135), (45, 636511), (111, 258045), (185, 154827), (333, 86015), (555, 51609), (1665, 17203)]