18313221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5647}}^1$

素因数の和:5720

約数の個数: 16

約数和(自身を含む): 26025984

約数和(自身を除く): 7712763

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 5647, 16941, 129881, 265409, 389643, 796227, 6104407, 18313221]

約数ペア:

[(1, 18313221), (3, 6104407), (23, 796227), (47, 389643), (69, 265409), (141, 129881), (1081, 16941), (3243, 5647)]