138421359

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{70229}}^1$

素因数の和:70311

約数の個数: 16

約数和(自身を含む): 207880800

約数和(自身を除く): 69459441

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 70229, 210687, 632061, 1896183, 5126717, 15380151, 46140453, 138421359]

約数ペア:

[(1, 138421359), (3, 46140453), (9, 15380151), (27, 5126717), (73, 1896183), (219, 632061), (657, 210687), (1971, 70229)]