997244865

素因数分解:

$3^4\times 5^1\times {\mathrm{2462333}}^1$

素因数の和:2462350

約数の個数: 20

約数和(自身を含む): 1787654484

約数和(自身を除く): 790409619

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2462333, 7386999, 12311665, 22160997, 36934995, 66482991, 110804985, 199448973, 332414955, 997244865]

約数ペア:

[(1, 997244865), (3, 332414955), (5, 199448973), (9, 110804985), (15, 66482991), (27, 36934995), (45, 22160997), (81, 12311665), (135, 7386999), (405, 2462333)]