78862719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{20021}}^1$

素因数の和:20138

約数の個数: 16

約数和(自身を含む): 114365664

約数和(自身を除く): 35502945

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 20021, 60063, 260273, 780819, 2022121, 6066363, 26287573, 78862719]

約数ペア:

[(1, 78862719), (3, 26287573), (13, 6066363), (39, 2022121), (101, 780819), (303, 260273), (1313, 60063), (3939, 20021)]