399021279

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{5639}}^1$

素因数の和:5974

約数の個数: 16

約数和(自身を含む): 539635200

約数和(自身を除く): 140613921

約数列:

[1, 3, 103, 229, 309, 687, 5639, 16917, 23587, 70761, 580817, 1291331, 1742451, 3873993, 133007093, 399021279]

約数ペア:

[(1, 399021279), (3, 133007093), (103, 3873993), (229, 1742451), (309, 1291331), (687, 580817), (5639, 70761), (16917, 23587)]