81277638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1042021}}^1$

素因数の和:1042039

約数の個数: 16

約数和(自身を含む): 175059696

約数和(自身を除く): 93782058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1042021, 2084042, 3126063, 6252126, 13546273, 27092546, 40638819, 81277638]

約数ペア:

[(1, 81277638), (2, 40638819), (3, 27092546), (6, 13546273), (13, 6252126), (26, 3126063), (39, 2084042), (78, 1042021)]