71745471

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{4973}}^1$

素因数の和:5215

約数の個数: 24

約数和(自身を含む): 118978080

約数和(自身を除く): 47232609

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1603, 2061, 4809, 4973, 14427, 14919, 34811, 44757, 104433, 313299, 1138817, 3416451, 7971719, 10249353, 23915157, 71745471]

約数ペア:

[(1, 71745471), (3, 23915157), (7, 10249353), (9, 7971719), (21, 3416451), (63, 1138817), (229, 313299), (687, 104433), (1603, 44757), (2061, 34811), (4809, 14919), (4973, 14427)]