13813639

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 17971200

約数和(自身を除く): 4157561

約数列:

[1, 7, 17, 23, 49, 103, 119, 161, 343, 391, 721, 833, 1127, 1751, 2369, 2737, 5047, 5831, 7889, 12257, 16583, 19159, 35329, 40273, 85799, 116081, 134113, 281911, 600593, 812567, 1973377, 13813639]

約数ペア:

[(1, 13813639), (7, 1973377), (17, 812567), (23, 600593), (49, 281911), (103, 134113), (119, 116081), (161, 85799), (343, 40273), (391, 35329), (721, 19159), (833, 16583), (1127, 12257), (1751, 7889), (2369, 5831), (2737, 5047)]