287622981

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{154387}}^1$

素因数の和:154422

約数の個数: 20

約数和(自身を含む): 448342752

約数和(自身を除く): 160719771

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 154387, 463161, 1389483, 3550901, 4168449, 10652703, 12505347, 31958109, 95874327, 287622981]

約数ペア:

[(1, 287622981), (3, 95874327), (9, 31958109), (23, 12505347), (27, 10652703), (69, 4168449), (81, 3550901), (207, 1389483), (621, 463161), (1863, 154387)]