78720819

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47623}}^1$

素因数の和:47674

約数の個数: 16

約数和(自身を含む): 114297600

約数和(自身を除く): 35576781

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 47623, 142869, 904837, 1381067, 2714511, 4143201, 26240273, 78720819]

約数ペア:

[(1, 78720819), (3, 26240273), (19, 4143201), (29, 2714511), (57, 1381067), (87, 904837), (551, 142869), (1653, 47623)]