87989943

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{4003}}^1$

素因数の和:4454

約数の個数: 16

約数和(自身を含む): 124540416

約数和(自身を除く): 36550473

約数列:

[1, 3, 17, 51, 431, 1293, 4003, 7327, 12009, 21981, 68051, 204153, 1725293, 5175879, 29329981, 87989943]

約数ペア:

[(1, 87989943), (3, 29329981), (17, 5175879), (51, 1725293), (431, 204153), (1293, 68051), (4003, 21981), (7327, 12009)]