81307479

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1259}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 125798400

約数和(自身を除く): 44490921

約数列:

[1, 3, 11, 19, 33, 57, 103, 209, 309, 627, 1133, 1259, 1957, 3399, 3777, 5871, 13849, 21527, 23921, 41547, 64581, 71763, 129677, 263131, 389031, 789393, 1426447, 2463863, 4279341, 7391589, 27102493, 81307479]

約数ペア:

[(1, 81307479), (3, 27102493), (11, 7391589), (19, 4279341), (33, 2463863), (57, 1426447), (103, 789393), (209, 389031), (309, 263131), (627, 129677), (1133, 71763), (1259, 64581), (1957, 41547), (3399, 23921), (3777, 21527), (5871, 13849)]