81016285

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4201}}^1$

素因数の和:4261

約数の個数: 32

約数和(自身を含む): 121017600

約数和(自身を除く): 40001315

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 1015, 2755, 3857, 4201, 19285, 21005, 29407, 79819, 121829, 147035, 399095, 558733, 609145, 852803, 2314751, 2793665, 4264015, 11573755, 16203257, 81016285]

約数ペア:

[(1, 81016285), (5, 16203257), (7, 11573755), (19, 4264015), (29, 2793665), (35, 2314751), (95, 852803), (133, 609145), (145, 558733), (203, 399095), (551, 147035), (665, 121829), (1015, 79819), (2755, 29407), (3857, 21005), (4201, 19285)]