222777639

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{208009}}^1$

素因数の和:208039

約数の個数: 24

約数和(自身を含む): 389394720

約数和(自身を除く): 166617081

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 208009, 624027, 1456063, 1872081, 3536153, 4368189, 10608459, 13104567, 24753071, 31825377, 74259213, 222777639]

約数ペア:

[(1, 222777639), (3, 74259213), (7, 31825377), (9, 24753071), (17, 13104567), (21, 10608459), (51, 4368189), (63, 3536153), (119, 1872081), (153, 1456063), (357, 624027), (1071, 208009)]