72538641

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16217}}^1$

素因数の和:16301

約数の個数: 24

約数和(自身を含む): 121440384

約数和(自身を除く): 48901743

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 16217, 48651, 113519, 145953, 340557, 1021671, 1151407, 3454221, 8059849, 10362663, 24179547, 72538641]

約数ペア:

[(1, 72538641), (3, 24179547), (7, 10362663), (9, 8059849), (21, 3454221), (63, 1151407), (71, 1021671), (213, 340557), (497, 145953), (639, 113519), (1491, 48651), (4473, 16217)]