28269621

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{7027}}^1$

素因数の和:7185

約数の個数: 16

約数和(自身を含む): 42168000

約数和(自身を除く): 13898379

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 7027, 21081, 63243, 189729, 1047023, 3141069, 9423207, 28269621]

約数ペア:

[(1, 28269621), (3, 9423207), (9, 3141069), (27, 1047023), (149, 189729), (447, 63243), (1341, 21081), (4023, 7027)]