2180055

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 3732480

約数和(自身を除く): 1552425

約数列:

[1, 3, 5, 15, 23, 69, 71, 89, 115, 213, 267, 345, 355, 445, 1065, 1335, 1633, 2047, 4899, 6141, 6319, 8165, 10235, 18957, 24495, 30705, 31595, 94785, 145337, 436011, 726685, 2180055]

約数ペア:

[(1, 2180055), (3, 726685), (5, 436011), (15, 145337), (23, 94785), (69, 31595), (71, 30705), (89, 24495), (115, 18957), (213, 10235), (267, 8165), (345, 6319), (355, 6141), (445, 4899), (1065, 2047), (1335, 1633)]