720967533

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 1183133952

約数和(自身を除く): 462166419

約数列:

[1, 3, 11, 13, 33, 37, 39, 53, 111, 143, 159, 407, 429, 481, 583, 689, 857, 1221, 1443, 1749, 1961, 2067, 2571, 5291, 5883, 7579, 9427, 11141, 15873, 21571, 22737, 25493, 28281, 31709, 33423, 45421, 64713, 76479, 95127, 122551, 136263, 280423, 348799, 367653, 412217, 499631, 590473, 841269, 1046397, 1236651, 1498893, 1680577, 1771419, 4534387, 5041731, 6495203, 13603161, 18486347, 19485609, 21847501, 55459041, 65542503, 240322511, 720967533]

約数ペア:

[(1, 720967533), (3, 240322511), (11, 65542503), (13, 55459041), (33, 21847501), (37, 19485609), (39, 18486347), (53, 13603161), (111, 6495203), (143, 5041731), (159, 4534387), (407, 1771419), (429, 1680577), (481, 1498893), (583, 1236651), (689, 1046397), (857, 841269), (1221, 590473), (1443, 499631), (1749, 412217), (1961, 367653), (2067, 348799), (2571, 280423), (5291, 136263), (5883, 122551), (7579, 95127), (9427, 76479), (11141, 64713), (15873, 45421), (21571, 33423), (22737, 31709), (25493, 28281)]