217824975

素因数分解:

$3^2\times 5^2\times {\mathrm{968111}}^1$

素因数の和:968127

約数の個数: 18

約数和(自身を含む): 390149136

約数和(自身を除く): 172324161

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 968111, 2904333, 4840555, 8712999, 14521665, 24202775, 43564995, 72608325, 217824975]

約数ペア:

[(1, 217824975), (3, 72608325), (5, 43564995), (9, 24202775), (15, 14521665), (25, 8712999), (45, 4840555), (75, 2904333), (225, 968111)]