90490491

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 161843136

約数和(自身を除く): 71352645

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 313, 353, 819, 939, 1059, 2191, 2471, 2817, 3177, 4069, 4589, 6573, 7413, 12207, 13767, 19719, 22239, 28483, 32123, 36621, 41301, 85449, 96369, 110489, 256347, 289107, 331467, 773423, 994401, 1436357, 2320269, 4309071, 6960807, 10054499, 12927213, 30163497, 90490491]

約数ペア:

[(1, 90490491), (3, 30163497), (7, 12927213), (9, 10054499), (13, 6960807), (21, 4309071), (39, 2320269), (63, 1436357), (91, 994401), (117, 773423), (273, 331467), (313, 289107), (353, 256347), (819, 110489), (939, 96369), (1059, 85449), (2191, 41301), (2471, 36621), (2817, 32123), (3177, 28483), (4069, 22239), (4589, 19719), (6573, 13767), (7413, 12207)]