3960945

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 7413120

約数和(自身を除く): 3452175

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 89, 115, 129, 207, 215, 267, 345, 387, 445, 645, 801, 989, 1035, 1335, 1935, 2047, 2967, 3827, 4005, 4945, 6141, 8901, 10235, 11481, 14835, 18423, 19135, 30705, 34443, 44505, 57405, 88021, 92115, 172215, 264063, 440105, 792189, 1320315, 3960945]

約数ペア:

[(1, 3960945), (3, 1320315), (5, 792189), (9, 440105), (15, 264063), (23, 172215), (43, 92115), (45, 88021), (69, 57405), (89, 44505), (115, 34443), (129, 30705), (207, 19135), (215, 18423), (267, 14835), (345, 11481), (387, 10235), (445, 8901), (645, 6141), (801, 4945), (989, 4005), (1035, 3827), (1335, 2967), (1935, 2047)]