749207925

素因数分解:

$3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 1369245696

約数和(自身を除く): 620037771

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 127, 157, 167, 225, 381, 471, 501, 635, 785, 835, 1143, 1413, 1503, 1905, 2355, 2505, 3175, 3925, 4175, 5715, 7065, 7515, 9525, 11775, 12525, 19939, 21209, 26219, 28575, 35325, 37575, 59817, 63627, 78657, 99695, 106045, 131095, 179451, 190881, 235971, 299085, 318135, 393285, 498475, 530225, 655475, 897255, 954405, 1179855, 1495425, 1590675, 1966425, 3329813, 4486275, 4772025, 5899275, 9989439, 16649065, 29968317, 49947195, 83245325, 149841585, 249735975, 749207925]

約数ペア:

[(1, 749207925), (3, 249735975), (5, 149841585), (9, 83245325), (15, 49947195), (25, 29968317), (45, 16649065), (75, 9989439), (127, 5899275), (157, 4772025), (167, 4486275), (225, 3329813), (381, 1966425), (471, 1590675), (501, 1495425), (635, 1179855), (785, 954405), (835, 897255), (1143, 655475), (1413, 530225), (1503, 498475), (1905, 393285), (2355, 318135), (2505, 299085), (3175, 235971), (3925, 190881), (4175, 179451), (5715, 131095), (7065, 106045), (7515, 99695), (9525, 78657), (11775, 63627), (12525, 59817), (19939, 37575), (21209, 35325), (26219, 28575)]