16631937

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 28933632

約数和(自身を除く): 12301695

約数列:

[1, 3, 7, 9, 21, 41, 47, 63, 123, 137, 141, 287, 329, 369, 411, 423, 861, 959, 987, 1233, 1927, 2583, 2877, 2961, 5617, 5781, 6439, 8631, 13489, 16851, 17343, 19317, 39319, 40467, 45073, 50553, 57951, 117957, 121401, 135219, 263999, 353871, 405657, 791997, 1847993, 2375991, 5543979, 16631937]

約数ペア:

[(1, 16631937), (3, 5543979), (7, 2375991), (9, 1847993), (21, 791997), (41, 405657), (47, 353871), (63, 263999), (123, 135219), (137, 121401), (141, 117957), (287, 57951), (329, 50553), (369, 45073), (411, 40467), (423, 39319), (861, 19317), (959, 17343), (987, 16851), (1233, 13489), (1927, 8631), (2583, 6439), (2877, 5781), (2961, 5617)]