81718221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{110281}}^1$

素因数の和:110316

約数の個数: 16

約数和(自身を含む): 123515840

約数和(自身を除く): 41797619

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 110281, 330843, 1433653, 2095339, 4300959, 6286017, 27239407, 81718221]

約数ペア:

[(1, 81718221), (3, 27239407), (13, 6286017), (19, 4300959), (39, 2095339), (57, 1433653), (247, 330843), (741, 110281)]