81822377

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 107557632

約数和(自身を除く): 25735255

約数列:

[1, 7, 13, 17, 91, 119, 221, 227, 233, 1547, 1589, 1631, 2951, 3029, 3859, 3961, 20657, 21203, 27013, 27727, 50167, 51493, 52891, 351169, 360451, 370237, 687583, 899147, 4813081, 6294029, 11688911, 81822377]

約数ペア:

[(1, 81822377), (7, 11688911), (13, 6294029), (17, 4813081), (91, 899147), (119, 687583), (221, 370237), (227, 360451), (233, 351169), (1547, 52891), (1589, 51493), (1631, 50167), (2951, 27727), (3029, 27013), (3859, 21203), (3961, 20657)]