128475

素因数分解:

$3^2\times 5^2\times {\mathrm{571}}^1$

素因数の和:587

約数の個数: 18

約数和(自身を含む): 230516

約数和(自身を除く): 102041

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 571, 1713, 2855, 5139, 8565, 14275, 25695, 42825, 128475]

約数ペア:

[(1, 128475), (3, 42825), (5, 25695), (9, 14275), (15, 8565), (25, 5139), (45, 2855), (75, 1713), (225, 571)]