199793421

素因数分解:

$3^2\times {\mathrm{3491}}^1\times {\mathrm{6359}}^1$

素因数の和:9856

約数の個数: 12

約数和(自身を含む): 288718560

約数和(自身を除く): 88925139

約数列:

[1, 3, 9, 3491, 6359, 10473, 19077, 31419, 57231, 22199269, 66597807, 199793421]

約数ペア:

[(1, 199793421), (3, 66597807), (9, 22199269), (3491, 57231), (6359, 31419), (10473, 19077)]