18780327

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 28374528

約数和(自身を除く): 9594201

約数列:

[1, 3, 9, 31, 83, 93, 249, 279, 747, 811, 2433, 2573, 7299, 7719, 23157, 25141, 67313, 75423, 201939, 226269, 605817, 2086703, 6260109, 18780327]

約数ペア:

[(1, 18780327), (3, 6260109), (9, 2086703), (31, 605817), (83, 226269), (93, 201939), (249, 75423), (279, 67313), (747, 25141), (811, 23157), (2433, 7719), (2573, 7299)]