287394921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{6553}}^1$

素因数の和:7013

約数の個数: 24

約数和(自身を含む): 453956256

約数和(自身を除く): 166561335

約数列:

[1, 3, 9, 11, 33, 99, 443, 1329, 3987, 4873, 6553, 14619, 19659, 43857, 58977, 72083, 216249, 648747, 2902979, 8708937, 26126811, 31932769, 95798307, 287394921]

約数ペア:

[(1, 287394921), (3, 95798307), (9, 31932769), (11, 26126811), (33, 8708937), (99, 2902979), (443, 648747), (1329, 216249), (3987, 72083), (4873, 58977), (6553, 43857), (14619, 19659)]