18001071

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{521}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 28501200

約数和(自身を除く): 10500129

約数列:

[1, 3, 9, 11, 33, 99, 349, 521, 1047, 1563, 3141, 3839, 4689, 5731, 11517, 17193, 34551, 51579, 181829, 545487, 1636461, 2000119, 6000357, 18001071]

約数ペア:

[(1, 18001071), (3, 6000357), (9, 2000119), (11, 1636461), (33, 545487), (99, 181829), (349, 51579), (521, 34551), (1047, 17193), (1563, 11517), (3141, 5731), (3839, 4689)]