156955870881

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{7539793}}^1$

素因数の和:7540062

約数の個数: 20

約数和(自身を含む): 235377289092

約数和(自身を除く): 78421418211

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 20817, 7539793, 22619379, 67858137, 203574411, 610723233, 1937726801, 5813180403, 17439541209, 52318623627, 156955870881]

約数ペア:

[(1, 156955870881), (3, 52318623627), (9, 17439541209), (27, 5813180403), (81, 1937726801), (257, 610723233), (771, 203574411), (2313, 67858137), (6939, 22619379), (20817, 7539793)]