28312221

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{4253}}^1$

素因数の和:4580

約数の個数: 16

約数和(自身を含む): 43288704

約数和(自身を除く): 14976483

約数列:

[1, 3, 7, 21, 317, 951, 2219, 4253, 6657, 12759, 29771, 89313, 1348201, 4044603, 9437407, 28312221]

約数ペア:

[(1, 28312221), (3, 9437407), (7, 4044603), (21, 1348201), (317, 89313), (951, 29771), (2219, 12759), (4253, 6657)]