71965725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2438

約数の個数: 48

約数和(自身を含む): 132324864

約数和(自身を除く): 60359139

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 975, 1209, 2015, 2325, 2381, 6045, 7143, 10075, 11905, 30225, 30953, 35715, 59525, 73811, 92859, 154765, 178575, 221433, 369055, 464295, 773825, 959543, 1107165, 1845275, 2321475, 2878629, 4797715, 5535825, 14393145, 23988575, 71965725]

約数ペア:

[(1, 71965725), (3, 23988575), (5, 14393145), (13, 5535825), (15, 4797715), (25, 2878629), (31, 2321475), (39, 1845275), (65, 1107165), (75, 959543), (93, 773825), (155, 464295), (195, 369055), (325, 221433), (403, 178575), (465, 154765), (775, 92859), (975, 73811), (1209, 59525), (2015, 35715), (2325, 30953), (2381, 30225), (6045, 11905), (7143, 10075)]