12990189

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 17821440

約数和(自身を除く): 4831251

約数列:

[1, 3, 47, 141, 181, 509, 543, 1527, 8507, 23923, 25521, 71769, 92129, 276387, 4330063, 12990189]

約数ペア:

[(1, 12990189), (3, 4330063), (47, 276387), (141, 92129), (181, 71769), (509, 25521), (543, 23923), (1527, 8507)]