28665981

素因数分解:

$3^5\times {\mathrm{23}}^2\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 45089408

約数和(自身を除く): 16423427

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 223, 243, 529, 621, 669, 1587, 1863, 2007, 4761, 5129, 5589, 6021, 14283, 15387, 18063, 42849, 46161, 54189, 117967, 128547, 138483, 353901, 415449, 1061703, 1246347, 3185109, 9555327, 28665981]

約数ペア:

[(1, 28665981), (3, 9555327), (9, 3185109), (23, 1246347), (27, 1061703), (69, 415449), (81, 353901), (207, 138483), (223, 128547), (243, 117967), (529, 54189), (621, 46161), (669, 42849), (1587, 18063), (1863, 15387), (2007, 14283), (4761, 6021), (5129, 5589)]