28161939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{12239}}^1$

素因数の和:12314

約数の個数: 16

約数和(自身を含む): 41126400

約数和(自身を除く): 12964461

約数列:

[1, 3, 13, 39, 59, 177, 767, 2301, 12239, 36717, 159107, 477321, 722101, 2166303, 9387313, 28161939]

約数ペア:

[(1, 28161939), (3, 9387313), (13, 2166303), (39, 722101), (59, 477321), (177, 159107), (767, 36717), (2301, 12239)]