278327091

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{281993}}^1$

素因数の和:282050

約数の個数: 16

約数和(自身を含む): 433142784

約数和(自身を除く): 154815693

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 281993, 845979, 1973951, 5921853, 13253671, 39761013, 92775697, 278327091]

約数ペア:

[(1, 278327091), (3, 92775697), (7, 39761013), (21, 13253671), (47, 5921853), (141, 1973951), (329, 845979), (987, 281993)]