217291806

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{69779}}^1$

素因数の和:69960

約数の個数: 24

約数和(自身を含む): 473527080

約数和(自身を除く): 256235274

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 69779, 139558, 209337, 418674, 628011, 1256022, 12071767, 24143534, 36215301, 72430602, 108645903, 217291806]

約数ペア:

[(1, 217291806), (2, 108645903), (3, 72430602), (6, 36215301), (9, 24143534), (18, 12071767), (173, 1256022), (346, 628011), (519, 418674), (1038, 209337), (1557, 139558), (3114, 69779)]