209925

素因数分解:

$3^3\times 5^2\times {\mathrm{311}}^1$

素因数の和:330

約数の個数: 24

約数和(自身を含む): 386880

約数和(自身を除く): 176955

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 311, 675, 933, 1555, 2799, 4665, 7775, 8397, 13995, 23325, 41985, 69975, 209925]

約数ペア:

[(1, 209925), (3, 69975), (5, 41985), (9, 23325), (15, 13995), (25, 8397), (27, 7775), (45, 4665), (75, 2799), (135, 1555), (225, 933), (311, 675)]