17864559

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 26619840

約数和(自身を除く): 8755281

約数列:

[1, 3, 9, 47, 141, 157, 269, 423, 471, 807, 1413, 2421, 7379, 12643, 22137, 37929, 42233, 66411, 113787, 126699, 380097, 1984951, 5954853, 17864559]

約数ペア:

[(1, 17864559), (3, 5954853), (9, 1984951), (47, 380097), (141, 126699), (157, 113787), (269, 66411), (423, 42233), (471, 37929), (807, 22137), (1413, 12643), (2421, 7379)]