71278977

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2593}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 127749312

約数和(自身を除く): 56470335

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 147, 187, 231, 357, 539, 561, 833, 1309, 1617, 2499, 2593, 3927, 7779, 9163, 18151, 27489, 28523, 44081, 54453, 85569, 127057, 132243, 199661, 308567, 381171, 484891, 598983, 925701, 1397627, 1454673, 2159969, 3394237, 4192881, 6479907, 10182711, 23759659, 71278977]

約数ペア:

[(1, 71278977), (3, 23759659), (7, 10182711), (11, 6479907), (17, 4192881), (21, 3394237), (33, 2159969), (49, 1454673), (51, 1397627), (77, 925701), (119, 598983), (147, 484891), (187, 381171), (231, 308567), (357, 199661), (539, 132243), (561, 127057), (833, 85569), (1309, 54453), (1617, 44081), (2499, 28523), (2593, 27489), (3927, 18151), (7779, 9163)]