17988615

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{587}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 14186745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 587, 681, 1135, 1761, 2043, 2935, 3405, 5283, 6129, 8805, 10215, 15849, 26415, 30645, 79245, 133249, 399747, 666245, 1199241, 1998735, 3597723, 5996205, 17988615]

約数ペア:

[(1, 17988615), (3, 5996205), (5, 3597723), (9, 1998735), (15, 1199241), (27, 666245), (45, 399747), (135, 133249), (227, 79245), (587, 30645), (681, 26415), (1135, 15849), (1761, 10215), (2043, 8805), (2935, 6129), (3405, 5283)]