128815485

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2053}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 212958720

約数和(自身を除く): 84143235

約数列:

[1, 3, 5, 15, 47, 89, 141, 235, 267, 445, 705, 1335, 2053, 4183, 6159, 10265, 12549, 20915, 30795, 62745, 96491, 182717, 289473, 482455, 548151, 913585, 1447365, 2740755, 8587699, 25763097, 42938495, 128815485]

約数ペア:

[(1, 128815485), (3, 42938495), (5, 25763097), (15, 8587699), (47, 2740755), (89, 1447365), (141, 913585), (235, 548151), (267, 482455), (445, 289473), (705, 182717), (1335, 96491), (2053, 62745), (4183, 30795), (6159, 20915), (10265, 12549)]