228993009

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{641437}}^1$

素因数の和:641464

約数の個数: 16

約数和(自身を含む): 369468288

約数和(自身を除く): 140475279

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 641437, 1924311, 4490059, 10904429, 13470177, 32713287, 76331003, 228993009]

約数ペア:

[(1, 228993009), (3, 76331003), (7, 32713287), (17, 13470177), (21, 10904429), (51, 4490059), (119, 1924311), (357, 641437)]