7864017

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 12768000

約数和(自身を除く): 4903983

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 349, 609, 777, 1047, 1073, 2443, 3219, 7329, 7511, 10121, 12913, 22533, 30363, 38739, 70847, 90391, 212541, 271173, 374477, 1123431, 2621339, 7864017]

約数ペア:

[(1, 7864017), (3, 2621339), (7, 1123431), (21, 374477), (29, 271173), (37, 212541), (87, 90391), (111, 70847), (203, 38739), (259, 30363), (349, 22533), (609, 12913), (777, 10121), (1047, 7511), (1073, 7329), (2443, 3219)]