643385121

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1\times {\mathrm{7129}}^1$

素因数の和:7648

約数の個数: 16

約数和(自身を含む): 872712000

約数和(自身を除く): 229326879

約数列:

[1, 3, 67, 201, 449, 1347, 7129, 21387, 30083, 90249, 477643, 1432929, 3200921, 9602763, 214461707, 643385121]

約数ペア:

[(1, 643385121), (3, 214461707), (67, 9602763), (201, 3200921), (449, 1432929), (1347, 477643), (7129, 90249), (21387, 30083)]