31991079

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5449}}^1$

素因数の和:5574

約数の個数: 16

約数和(自身を含む): 45344000

約数和(自身を除く): 13352921

約数列:

[1, 3, 19, 57, 103, 309, 1957, 5449, 5871, 16347, 103531, 310593, 561247, 1683741, 10663693, 31991079]

約数ペア:

[(1, 31991079), (3, 10663693), (19, 1683741), (57, 561247), (103, 310593), (309, 103531), (1957, 16347), (5449, 5871)]