71404725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3163}}^1$

素因数の和:3226

約数の個数: 48

約数和(自身を含む): 138102272

約数和(自身を除く): 66697547

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 903, 1075, 1505, 3163, 3225, 4515, 7525, 9489, 15815, 22141, 22575, 47445, 66423, 79075, 110705, 136009, 237225, 332115, 408027, 553525, 680045, 952063, 1660575, 2040135, 2856189, 3400225, 4760315, 10200675, 14280945, 23801575, 71404725]

約数ペア:

[(1, 71404725), (3, 23801575), (5, 14280945), (7, 10200675), (15, 4760315), (21, 3400225), (25, 2856189), (35, 2040135), (43, 1660575), (75, 952063), (105, 680045), (129, 553525), (175, 408027), (215, 332115), (301, 237225), (525, 136009), (645, 110705), (903, 79075), (1075, 66423), (1505, 47445), (3163, 22575), (3225, 22141), (4515, 15815), (7525, 9489)]