247064985

素因数分解:

$3^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1949}}^1$

素因数の和:2279

約数の個数: 40

約数和(自身を含む): 444529800

約数和(自身を除く): 197464815

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 313, 405, 939, 1565, 1949, 2817, 4695, 5847, 8451, 9745, 14085, 17541, 25353, 29235, 42255, 52623, 87705, 126765, 157869, 263115, 610037, 789345, 1830111, 3050185, 5490333, 9150555, 16470999, 27451665, 49412997, 82354995, 247064985]

約数ペア:

[(1, 247064985), (3, 82354995), (5, 49412997), (9, 27451665), (15, 16470999), (27, 9150555), (45, 5490333), (81, 3050185), (135, 1830111), (313, 789345), (405, 610037), (939, 263115), (1565, 157869), (1949, 126765), (2817, 87705), (4695, 52623), (5847, 42255), (8451, 29235), (9745, 25353), (14085, 17541)]