81387198

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{122203}}^1$

素因数の和:122248

約数の個数: 24

約数和(自身を含む): 181106328

約数和(自身を除く): 99719130

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 122203, 244406, 366609, 733218, 1099827, 2199654, 4521511, 9043022, 13564533, 27129066, 40693599, 81387198]

約数ペア:

[(1, 81387198), (2, 40693599), (3, 27129066), (6, 13564533), (9, 9043022), (18, 4521511), (37, 2199654), (74, 1099827), (111, 733218), (222, 366609), (333, 244406), (666, 122203)]