1221875

素因数分解:

$5^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 24

約数和(自身を含む): 1687392

約数和(自身を除く): 465517

約数列:

[1, 5, 17, 23, 25, 85, 115, 125, 391, 425, 575, 625, 1955, 2125, 2875, 3125, 9775, 10625, 14375, 48875, 53125, 71875, 244375, 1221875]

約数ペア:

[(1, 1221875), (5, 244375), (17, 71875), (23, 53125), (25, 48875), (85, 14375), (115, 10625), (125, 9775), (391, 3125), (425, 2875), (575, 2125), (625, 1955)]