18802401

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{727}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 25893504

約数和(自身を除く): 7091103

約数列:

[1, 3, 37, 111, 233, 699, 727, 2181, 8621, 25863, 26899, 80697, 169391, 508173, 6267467, 18802401]

約数ペア:

[(1, 18802401), (3, 6267467), (37, 508173), (111, 169391), (233, 80697), (699, 26899), (727, 25863), (2181, 8621)]