620496477

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{751}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 935608320

約数和(自身を除く): 315111843

約数列:

[1, 3, 9, 27, 71, 213, 431, 639, 751, 1293, 1917, 2253, 3879, 6759, 11637, 20277, 30601, 53321, 91803, 159963, 275409, 323681, 479889, 826227, 971043, 1439667, 2913129, 8739387, 22981351, 68944053, 206832159, 620496477]

約数ペア:

[(1, 620496477), (3, 206832159), (9, 68944053), (27, 22981351), (71, 8739387), (213, 2913129), (431, 1439667), (639, 971043), (751, 826227), (1293, 479889), (1917, 323681), (2253, 275409), (3879, 159963), (6759, 91803), (11637, 53321), (20277, 30601)]