28142823

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 13144857

約数列:

[1, 3, 23, 31, 59, 69, 93, 177, 223, 669, 713, 1357, 1829, 2139, 4071, 5129, 5487, 6913, 13157, 15387, 20739, 39471, 42067, 126201, 158999, 302611, 407867, 476997, 907833, 1223601, 9380941, 28142823]

約数ペア:

[(1, 28142823), (3, 9380941), (23, 1223601), (31, 907833), (59, 476997), (69, 407867), (93, 302611), (177, 158999), (223, 126201), (669, 42067), (713, 39471), (1357, 20739), (1829, 15387), (2139, 13157), (4071, 6913), (5129, 5487)]