7228221

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 13547520

約数和(自身を除く): 6319299

約数列:

[1, 3, 7, 11, 13, 21, 29, 33, 39, 77, 83, 87, 91, 143, 203, 231, 249, 273, 319, 377, 429, 581, 609, 913, 957, 1001, 1079, 1131, 1743, 2233, 2407, 2639, 2739, 3003, 3237, 4147, 6391, 6699, 7221, 7553, 7917, 11869, 12441, 16849, 19173, 22659, 26477, 29029, 31291, 35607, 50547, 79431, 83083, 87087, 93873, 185339, 219037, 249249, 344201, 556017, 657111, 1032603, 2409407, 7228221]

約数ペア:

[(1, 7228221), (3, 2409407), (7, 1032603), (11, 657111), (13, 556017), (21, 344201), (29, 249249), (33, 219037), (39, 185339), (77, 93873), (83, 87087), (87, 83083), (91, 79431), (143, 50547), (203, 35607), (231, 31291), (249, 29029), (273, 26477), (319, 22659), (377, 19173), (429, 16849), (581, 12441), (609, 11869), (913, 7917), (957, 7553), (1001, 7221), (1079, 6699), (1131, 6391), (1743, 4147), (2233, 3237), (2407, 3003), (2639, 2739)]