28818387

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{18947}}^1$

素因数の和:18979

約数の個数: 18

約数和(自身を含む): 45077292

約数和(自身を除く): 16258905

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 18947, 56841, 170523, 246311, 738933, 2216799, 3202043, 9606129, 28818387]

約数ペア:

[(1, 28818387), (3, 9606129), (9, 3202043), (13, 2216799), (39, 738933), (117, 246311), (169, 170523), (507, 56841), (1521, 18947)]