78818319

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{39989}}^1$

素因数の和:40071

約数の個数: 16

約数和(自身を含む): 118370400

約数和(自身を除く): 39552081

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 39989, 119967, 359901, 1079703, 2919197, 8757591, 26272773, 78818319]

約数ペア:

[(1, 78818319), (3, 26272773), (9, 8757591), (27, 2919197), (73, 1079703), (219, 359901), (657, 119967), (1971, 39989)]