258996921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1\times {\mathrm{2543}}^1$

素因数の和:4560

約数の個数: 16

約数和(自身を含む): 365969664

約数和(自身を除く): 106972743

約数列:

[1, 3, 17, 51, 1997, 2543, 5991, 7629, 33949, 43231, 101847, 129693, 5078371, 15235113, 86332307, 258996921]

約数ペア:

[(1, 258996921), (3, 86332307), (17, 15235113), (51, 5078371), (1997, 129693), (2543, 101847), (5991, 43231), (7629, 33949)]