221444667

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 354968640

約数和(自身を除く): 133523973

約数列:

[1, 3, 9, 23, 29, 37, 69, 87, 111, 207, 261, 333, 667, 851, 997, 1073, 2001, 2553, 2991, 3219, 6003, 7659, 8973, 9657, 22931, 24679, 28913, 36889, 68793, 74037, 86739, 110667, 206379, 222111, 260217, 332001, 664999, 848447, 1069781, 1994997, 2545341, 3209343, 5984991, 7636023, 9628029, 24604963, 73814889, 221444667]

約数ペア:

[(1, 221444667), (3, 73814889), (9, 24604963), (23, 9628029), (29, 7636023), (37, 5984991), (69, 3209343), (87, 2545341), (111, 1994997), (207, 1069781), (261, 848447), (333, 664999), (667, 332001), (851, 260217), (997, 222111), (1073, 206379), (2001, 110667), (2553, 86739), (2991, 74037), (3219, 68793), (6003, 36889), (7659, 28913), (8973, 24679), (9657, 22931)]