266247

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:204

約数の個数: 20

約数和(自身を含む): 421080

約数和(自身を除く): 154833

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 173, 513, 519, 1539, 1557, 3287, 4671, 9861, 14013, 29583, 88749, 266247]

約数ペア:

[(1, 266247), (3, 88749), (9, 29583), (19, 14013), (27, 9861), (57, 4671), (81, 3287), (171, 1557), (173, 1539), (513, 519)]