81388437

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{20261}}^1$

素因数の和:20380

約数の個数: 16

約数和(自身を含む): 118005888

約数和(自身を除く): 36617451

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 20261, 60783, 263393, 790179, 2086883, 6260649, 27129479, 81388437]

約数ペア:

[(1, 81388437), (3, 27129479), (13, 6260649), (39, 2086883), (103, 790179), (309, 263393), (1339, 60783), (4017, 20261)]