16781154

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{215143}}^1$

素因数の和:215161

約数の個数: 16

約数和(自身を含む): 36144192

約数和(自身を除く): 19363038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 215143, 430286, 645429, 1290858, 2796859, 5593718, 8390577, 16781154]

約数ペア:

[(1, 16781154), (2, 8390577), (3, 5593718), (6, 2796859), (13, 1290858), (26, 645429), (39, 430286), (78, 215143)]