64783521

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 112869120

約数和(自身を除く): 48085599

約数列:

[1, 3, 9, 11, 19, 31, 33, 57, 93, 99, 101, 121, 171, 209, 279, 303, 341, 363, 589, 627, 909, 1023, 1089, 1111, 1767, 1881, 1919, 2299, 3069, 3131, 3333, 3751, 5301, 5757, 6479, 6897, 9393, 9999, 11253, 12221, 17271, 19437, 20691, 21109, 28179, 33759, 34441, 36663, 58311, 59489, 63327, 71269, 103323, 109989, 178467, 189981, 213807, 232199, 309969, 378851, 535401, 641421, 654379, 696597, 1136553, 1963137, 2089791, 3409659, 5889411, 7198169, 21594507, 64783521]

約数ペア:

[(1, 64783521), (3, 21594507), (9, 7198169), (11, 5889411), (19, 3409659), (31, 2089791), (33, 1963137), (57, 1136553), (93, 696597), (99, 654379), (101, 641421), (121, 535401), (171, 378851), (209, 309969), (279, 232199), (303, 213807), (341, 189981), (363, 178467), (589, 109989), (627, 103323), (909, 71269), (1023, 63327), (1089, 59489), (1111, 58311), (1767, 36663), (1881, 34441), (1919, 33759), (2299, 28179), (3069, 21109), (3131, 20691), (3333, 19437), (3751, 17271), (5301, 12221), (5757, 11253), (6479, 9999), (6897, 9393)]