222111

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 24

約数和(自身を含む): 355680

約数和(自身を除く): 133569

約数列:

[1, 3, 9, 23, 29, 37, 69, 87, 111, 207, 261, 333, 667, 851, 1073, 2001, 2553, 3219, 6003, 7659, 9657, 24679, 74037, 222111]

約数ペア:

[(1, 222111), (3, 74037), (9, 24679), (23, 9657), (29, 7659), (37, 6003), (69, 3219), (87, 2553), (111, 2001), (207, 1073), (261, 851), (333, 667)]