651025977

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 1055932416

約数和(自身を除く): 404906439

約数列:

[1, 3, 7, 21, 43, 53, 61, 129, 159, 183, 223, 301, 371, 427, 669, 903, 1113, 1281, 1561, 2279, 2623, 3233, 4683, 6837, 7869, 9589, 9699, 11819, 13603, 15953, 18361, 22631, 28767, 35457, 40809, 47859, 55083, 67123, 67893, 82733, 95221, 139019, 201369, 248199, 285663, 417057, 508217, 584929, 720959, 973133, 1524651, 1754787, 2162877, 2919399, 3557519, 4094503, 5046713, 10672557, 12283509, 15140139, 31001237, 93003711, 217008659, 651025977]

約数ペア:

[(1, 651025977), (3, 217008659), (7, 93003711), (21, 31001237), (43, 15140139), (53, 12283509), (61, 10672557), (129, 5046713), (159, 4094503), (183, 3557519), (223, 2919399), (301, 2162877), (371, 1754787), (427, 1524651), (669, 973133), (903, 720959), (1113, 584929), (1281, 508217), (1561, 417057), (2279, 285663), (2623, 248199), (3233, 201369), (4683, 139019), (6837, 95221), (7869, 82733), (9589, 67893), (9699, 67123), (11819, 55083), (13603, 47859), (15953, 40809), (18361, 35457), (22631, 28767)]