71340225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 131729664

約数和(自身を除く): 60389439

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 129, 165, 215, 275, 473, 645, 825, 1075, 1419, 2011, 2365, 3225, 6033, 7095, 10055, 11825, 22121, 30165, 35475, 50275, 66363, 86473, 110605, 150825, 259419, 331815, 432365, 553025, 951203, 1297095, 1659075, 2161825, 2853609, 4756015, 6485475, 14268045, 23780075, 71340225]

約数ペア:

[(1, 71340225), (3, 23780075), (5, 14268045), (11, 6485475), (15, 4756015), (25, 2853609), (33, 2161825), (43, 1659075), (55, 1297095), (75, 951203), (129, 553025), (165, 432365), (215, 331815), (275, 259419), (473, 150825), (645, 110605), (825, 86473), (1075, 66363), (1419, 50275), (2011, 35475), (2365, 30165), (3225, 22121), (6033, 11825), (7095, 10055)]