28012881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17519}}^1$

素因数の和:17576

約数の個数: 16

約数和(自身を含む): 41207040

約数和(自身を除く): 13194159

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 17519, 52557, 227747, 683241, 718279, 2154837, 9337627, 28012881]

約数ペア:

[(1, 28012881), (3, 9337627), (13, 2154837), (39, 718279), (41, 683241), (123, 227747), (533, 52557), (1599, 17519)]