28670013

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{44867}}^1$

素因数の和:44944

約数の個数: 12

約数和(自身を含む): 41996448

約数和(自身を除く): 13326435

約数列:

[1, 3, 9, 71, 213, 639, 44867, 134601, 403803, 3185557, 9556671, 28670013]

約数ペア:

[(1, 28670013), (3, 9556671), (9, 3185557), (71, 403803), (213, 134601), (639, 44867)]