31169853

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 84

約数和(自身を含む): 57605472

約数和(自身を除く): 26435619

約数列:

[1, 3, 9, 11, 13, 23, 27, 33, 39, 69, 81, 99, 117, 143, 169, 207, 243, 253, 297, 299, 351, 429, 507, 621, 729, 759, 891, 897, 1053, 1287, 1521, 1859, 1863, 2277, 2673, 2691, 3159, 3289, 3861, 3887, 4563, 5577, 5589, 6831, 8019, 8073, 9477, 9867, 11583, 11661, 13689, 16731, 16767, 20493, 24219, 29601, 34749, 34983, 41067, 42757, 50193, 61479, 72657, 88803, 104247, 104949, 123201, 128271, 150579, 184437, 217971, 266409, 314847, 384813, 451737, 799227, 944541, 1154439, 1355211, 2397681, 2833623, 3463317, 10389951, 31169853]

約数ペア:

[(1, 31169853), (3, 10389951), (9, 3463317), (11, 2833623), (13, 2397681), (23, 1355211), (27, 1154439), (33, 944541), (39, 799227), (69, 451737), (81, 384813), (99, 314847), (117, 266409), (143, 217971), (169, 184437), (207, 150579), (243, 128271), (253, 123201), (297, 104949), (299, 104247), (351, 88803), (429, 72657), (507, 61479), (621, 50193), (729, 42757), (759, 41067), (891, 34983), (897, 34749), (1053, 29601), (1287, 24219), (1521, 20493), (1859, 16767), (1863, 16731), (2277, 13689), (2673, 11661), (2691, 11583), (3159, 9867), (3289, 9477), (3861, 8073), (3887, 8019), (4563, 6831), (5577, 5589)]