18271251

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1181}}^1$

素因数の和:1384

約数の個数: 20

約数和(自身を含む): 27460224

約数和(自身を除く): 9188973

約数列:

[1, 3, 9, 27, 81, 191, 573, 1181, 1719, 3543, 5157, 10629, 15471, 31887, 95661, 225571, 676713, 2030139, 6090417, 18271251]

約数ペア:

[(1, 18271251), (3, 6090417), (9, 2030139), (27, 676713), (81, 225571), (191, 95661), (573, 31887), (1181, 15471), (1719, 10629), (3543, 5157)]