8991213

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{38923}}^1$

素因数の和:38944

約数の個数: 16

約数和(自身を含む): 14946816

約数和(自身を除く): 5955603

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 38923, 116769, 272461, 428153, 817383, 1284459, 2997071, 8991213]

約数ペア:

[(1, 8991213), (3, 2997071), (7, 1284459), (11, 817383), (21, 428153), (33, 272461), (77, 116769), (231, 38923)]