78866949

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{20749}}^1$

素因数の和:20940

約数の個数: 16

約数和(自身を含む): 120848000

約数和(自身を除く): 41981051

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 20749, 62247, 145243, 435729, 3755569, 11266707, 26288983, 78866949]

約数ペア:

[(1, 78866949), (3, 26288983), (7, 11266707), (21, 3755569), (181, 435729), (543, 145243), (1267, 62247), (3801, 20749)]