81903085

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 111873024

約数和(自身を除く): 29969939

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 397, 605, 1331, 1705, 1985, 3751, 4367, 6655, 12307, 18755, 21835, 41261, 48037, 61535, 135377, 206305, 240185, 528407, 676885, 1489147, 2642035, 7445735, 16380617, 81903085]

約数ペア:

[(1, 81903085), (5, 16380617), (11, 7445735), (31, 2642035), (55, 1489147), (121, 676885), (155, 528407), (341, 240185), (397, 206305), (605, 135377), (1331, 61535), (1705, 48037), (1985, 41261), (3751, 21835), (4367, 18755), (6655, 12307)]