120987981

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{2621}}^1$

素因数の和:2873

約数の個数: 24

約数和(自身を含む): 183246336

約数和(自身を除く): 62258355

約数列:

[1, 3, 9, 23, 69, 207, 223, 669, 2007, 2621, 5129, 7863, 15387, 23589, 46161, 60283, 180849, 542547, 584483, 1753449, 5260347, 13443109, 40329327, 120987981]

約数ペア:

[(1, 120987981), (3, 40329327), (9, 13443109), (23, 5260347), (69, 1753449), (207, 584483), (223, 542547), (669, 180849), (2007, 60283), (2621, 46161), (5129, 23589), (7863, 15387)]