221457915

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{443}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 471421440

約数和(自身を除く): 249963525

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 207, 315, 345, 443, 483, 529, 621, 805, 945, 1035, 1329, 1449, 1587, 2215, 2415, 2645, 3101, 3105, 3703, 3987, 4347, 4761, 6645, 7245, 7935, 9303, 10189, 11109, 11961, 14283, 15505, 18515, 19935, 21735, 23805, 27909, 30567, 33327, 46515, 50945, 55545, 59805, 71323, 71415, 83727, 91701, 99981, 139545, 152835, 166635, 213969, 234347, 275103, 356615, 418635, 458505, 499905, 641907, 703041, 1069845, 1171735, 1375515, 1640429, 1925721, 2109123, 3209535, 3515205, 4921287, 6327369, 8202145, 9628605, 10545615, 14763861, 24606435, 31636845, 44291583, 73819305, 221457915]

約数ペア:

[(1, 221457915), (3, 73819305), (5, 44291583), (7, 31636845), (9, 24606435), (15, 14763861), (21, 10545615), (23, 9628605), (27, 8202145), (35, 6327369), (45, 4921287), (63, 3515205), (69, 3209535), (105, 2109123), (115, 1925721), (135, 1640429), (161, 1375515), (189, 1171735), (207, 1069845), (315, 703041), (345, 641907), (443, 499905), (483, 458505), (529, 418635), (621, 356615), (805, 275103), (945, 234347), (1035, 213969), (1329, 166635), (1449, 152835), (1587, 139545), (2215, 99981), (2415, 91701), (2645, 83727), (3101, 71415), (3105, 71323), (3703, 59805), (3987, 55545), (4347, 50945), (4761, 46515), (6645, 33327), (7245, 30567), (7935, 27909), (9303, 23805), (10189, 21735), (11109, 19935), (11961, 18515), (14283, 15505)]