221706

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:230

約数の個数: 24

約数和(自身を含む): 489060

約数和(自身を除く): 267354

約数列:

[1, 2, 3, 6, 9, 18, 109, 113, 218, 226, 327, 339, 654, 678, 981, 1017, 1962, 2034, 12317, 24634, 36951, 73902, 110853, 221706]

約数ペア:

[(1, 221706), (2, 110853), (3, 73902), (6, 36951), (9, 24634), (18, 12317), (109, 2034), (113, 1962), (218, 1017), (226, 981), (327, 678), (339, 654)]