12989805

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12197}}^1$

素因数の和:12276

約数の個数: 16

約数和(自身を含む): 21078144

約数和(自身を除く): 8088339

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 12197, 36591, 60985, 182955, 865987, 2597961, 4329935, 12989805]

約数ペア:

[(1, 12989805), (3, 4329935), (5, 2597961), (15, 865987), (71, 182955), (213, 60985), (355, 36591), (1065, 12197)]