8987643

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 14916096

約数和(自身を除く): 5928453

約数列:

[1, 3, 7, 9, 21, 63, 331, 431, 993, 1293, 2317, 2979, 3017, 3879, 6951, 9051, 20853, 27153, 142661, 427983, 998627, 1283949, 2995881, 8987643]

約数ペア:

[(1, 8987643), (3, 2995881), (7, 1283949), (9, 998627), (21, 427983), (63, 142661), (331, 27153), (431, 20853), (993, 9051), (1293, 6951), (2317, 3879), (2979, 3017)]