77211375

素因数分解:

$3^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 129792000

約数和(自身を除く): 52580625

約数列:

[1, 3, 5, 15, 25, 75, 103, 125, 309, 375, 515, 1545, 1999, 2575, 5997, 7725, 9995, 12875, 29985, 38625, 49975, 149925, 205897, 249875, 617691, 749625, 1029485, 3088455, 5147425, 15442275, 25737125, 77211375]

約数ペア:

[(1, 77211375), (3, 25737125), (5, 15442275), (15, 5147425), (25, 3088455), (75, 1029485), (103, 749625), (125, 617691), (309, 249875), (375, 205897), (515, 149925), (1545, 49975), (1999, 38625), (2575, 29985), (5997, 12875), (7725, 9995)]