389764767

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{85531}}^1$

素因数の和:85579

約数の個数: 24

約数和(自身を含む): 624041472

約数和(自身を除く): 234276705

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 85531, 256593, 598717, 1796151, 2651461, 4191019, 7954383, 12573057, 18560227, 55680681, 129921589, 389764767]

約数ペア:

[(1, 389764767), (3, 129921589), (7, 55680681), (21, 18560227), (31, 12573057), (49, 7954383), (93, 4191019), (147, 2651461), (217, 1796151), (651, 598717), (1519, 256593), (4557, 85531)]