28047279

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4157}}^1$

素因数の和:4346

約数の個数: 16

約数和(自身を含む): 40515552

約数和(自身を除く): 12468273

約数列:

[1, 3, 13, 39, 173, 519, 2249, 4157, 6747, 12471, 54041, 162123, 719161, 2157483, 9349093, 28047279]

約数ペア:

[(1, 28047279), (3, 9349093), (13, 2157483), (39, 719161), (173, 162123), (519, 54041), (2249, 12471), (4157, 6747)]