71445225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 125478080

約数和(自身を除く): 54032855

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 181, 277, 285, 475, 543, 831, 905, 1385, 1425, 2715, 3439, 4155, 4525, 5263, 6925, 10317, 13575, 15789, 17195, 20775, 26315, 50137, 51585, 78945, 85975, 131575, 150411, 250685, 257925, 394725, 752055, 952603, 1253425, 2857809, 3760275, 4763015, 14289045, 23815075, 71445225]

約数ペア:

[(1, 71445225), (3, 23815075), (5, 14289045), (15, 4763015), (19, 3760275), (25, 2857809), (57, 1253425), (75, 952603), (95, 752055), (181, 394725), (277, 257925), (285, 250685), (475, 150411), (543, 131575), (831, 85975), (905, 78945), (1385, 51585), (1425, 50137), (2715, 26315), (3439, 20775), (4155, 17195), (4525, 15789), (5263, 13575), (6925, 10317)]