28140891

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{1303}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 39307776

約数和(自身を除く): 11166885

約数列:

[1, 3, 23, 69, 313, 939, 1303, 3909, 7199, 21597, 29969, 89907, 407839, 1223517, 9380297, 28140891]

約数ペア:

[(1, 28140891), (3, 9380297), (23, 1223517), (69, 407839), (313, 89907), (939, 29969), (1303, 21597), (3909, 7199)]