71399517

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{6841}}^1$

素因数の和:6929

約数の個数: 24

約数和(自身を含む): 112318272

約数和(自身を除く): 40918755

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 6841, 10437, 20523, 47887, 143661, 335209, 485711, 1005627, 1457133, 3399977, 10199931, 23799839, 71399517]

約数ペア:

[(1, 71399517), (3, 23799839), (7, 10199931), (21, 3399977), (49, 1457133), (71, 1005627), (147, 485711), (213, 335209), (497, 143661), (1491, 47887), (3479, 20523), (6841, 10437)]