222217407

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{1579}}^1$

素因数の和:2427

約数の個数: 24

約数和(自身を含む): 338499200

約数和(自身を除く): 116281793

約数列:

[1, 3, 9, 19, 57, 171, 823, 1579, 2469, 4737, 7407, 14211, 15637, 30001, 46911, 90003, 140733, 270009, 1299517, 3898551, 11695653, 24690823, 74072469, 222217407]

約数ペア:

[(1, 222217407), (3, 74072469), (9, 24690823), (19, 11695653), (57, 3898551), (171, 1299517), (823, 270009), (1579, 140733), (2469, 90003), (4737, 46911), (7407, 30001), (14211, 15637)]