256197

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 16

約数和(自身を含む): 368640

約数和(自身を除く): 112443

約数列:

[1, 3, 23, 47, 69, 79, 141, 237, 1081, 1817, 3243, 3713, 5451, 11139, 85399, 256197]

約数ペア:

[(1, 256197), (3, 85399), (23, 11139), (47, 5451), (69, 3713), (79, 3243), (141, 1817), (237, 1081)]