90816903

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 152064000

約数和(自身を除く): 61247097

約数列:

[1, 3, 9, 19, 23, 27, 43, 57, 69, 129, 171, 179, 207, 387, 437, 513, 537, 621, 817, 989, 1161, 1311, 1611, 2451, 2967, 3401, 3933, 4117, 4833, 7353, 7697, 8901, 10203, 11799, 12351, 18791, 22059, 23091, 26703, 30609, 37053, 56373, 69273, 78223, 91827, 111159, 146243, 169119, 177031, 207819, 234669, 438729, 507357, 531093, 704007, 1316187, 1593279, 2112021, 3363589, 3948561, 4779837, 10090767, 30272301, 90816903]

約数ペア:

[(1, 90816903), (3, 30272301), (9, 10090767), (19, 4779837), (23, 3948561), (27, 3363589), (43, 2112021), (57, 1593279), (69, 1316187), (129, 704007), (171, 531093), (179, 507357), (207, 438729), (387, 234669), (437, 207819), (513, 177031), (537, 169119), (621, 146243), (817, 111159), (989, 91827), (1161, 78223), (1311, 69273), (1611, 56373), (2451, 37053), (2967, 30609), (3401, 26703), (3933, 23091), (4117, 22059), (4833, 18791), (7353, 12351), (7697, 11799), (8901, 10203)]