67888821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 128176128

約数和(自身を除く): 60287307

約数列:

[1, 3, 7, 11, 13, 21, 33, 37, 39, 47, 77, 91, 111, 141, 143, 169, 231, 259, 273, 329, 407, 429, 481, 507, 517, 611, 777, 987, 1001, 1183, 1221, 1443, 1551, 1739, 1833, 1859, 2849, 3003, 3367, 3549, 3619, 4277, 5217, 5291, 5577, 6253, 6721, 7943, 8547, 10101, 10857, 12173, 12831, 13013, 15873, 18759, 19129, 20163, 22607, 23829, 36519, 37037, 39039, 43771, 47047, 55601, 57387, 67821, 68783, 87373, 111111, 131313, 133903, 141141, 158249, 166803, 206349, 248677, 262119, 293891, 401709, 474747, 481481, 611611, 746031, 881673, 1444443, 1740739, 1834833, 2057237, 3232801, 5222217, 6171711, 9698403, 22629607, 67888821]

約数ペア:

[(1, 67888821), (3, 22629607), (7, 9698403), (11, 6171711), (13, 5222217), (21, 3232801), (33, 2057237), (37, 1834833), (39, 1740739), (47, 1444443), (77, 881673), (91, 746031), (111, 611611), (141, 481481), (143, 474747), (169, 401709), (231, 293891), (259, 262119), (273, 248677), (329, 206349), (407, 166803), (429, 158249), (481, 141141), (507, 133903), (517, 131313), (611, 111111), (777, 87373), (987, 68783), (1001, 67821), (1183, 57387), (1221, 55601), (1443, 47047), (1551, 43771), (1739, 39039), (1833, 37037), (1859, 36519), (2849, 23829), (3003, 22607), (3367, 20163), (3549, 19129), (3619, 18759), (4277, 15873), (5217, 13013), (5291, 12831), (5577, 12173), (6253, 10857), (6721, 10101), (7943, 8547)]