1320315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 2280960

約数和(自身を除く): 960645

約数列:

[1, 3, 5, 15, 23, 43, 69, 89, 115, 129, 215, 267, 345, 445, 645, 989, 1335, 2047, 2967, 3827, 4945, 6141, 10235, 11481, 14835, 19135, 30705, 57405, 88021, 264063, 440105, 1320315]

約数ペア:

[(1, 1320315), (3, 440105), (5, 264063), (15, 88021), (23, 57405), (43, 30705), (69, 19135), (89, 14835), (115, 11481), (129, 10235), (215, 6141), (267, 4945), (345, 3827), (445, 2967), (645, 2047), (989, 1335)]