71297745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{16447}}^1$

素因数の和:16489

約数の個数: 24

約数和(自身を含む): 121188864

約数和(自身を除く): 49891119

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 16447, 49341, 82235, 246705, 279599, 838797, 1397995, 4193985, 4753183, 14259549, 23765915, 71297745]

約数ペア:

[(1, 71297745), (3, 23765915), (5, 14259549), (15, 4753183), (17, 4193985), (51, 1397995), (85, 838797), (255, 279599), (289, 246705), (867, 82235), (1445, 49341), (4335, 16447)]