28400409

素因数分解:

$3^3\times {\mathrm{811}}^1\times {\mathrm{1297}}^1$

素因数の和:2117

約数の個数: 16

約数和(自身を含む): 42159040

約数和(自身を除く): 13758631

約数列:

[1, 3, 9, 27, 811, 1297, 2433, 3891, 7299, 11673, 21897, 35019, 1051867, 3155601, 9466803, 28400409]

約数ペア:

[(1, 28400409), (3, 9466803), (9, 3155601), (27, 1051867), (811, 35019), (1297, 21897), (2433, 11673), (3891, 7299)]