17999145

素因数分解:

$3^3\times 5^1\times {\mathrm{133327}}^1$

素因数の和:133341

約数の個数: 16

約数和(自身を含む): 31998720

約数和(自身を除く): 13999575

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 133327, 399981, 666635, 1199943, 1999905, 3599829, 5999715, 17999145]

約数ペア:

[(1, 17999145), (3, 5999715), (5, 3599829), (9, 1999905), (15, 1199943), (27, 666635), (45, 399981), (135, 133327)]