290480823

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{155921}}^1$

素因数の和:155956

約数の個数: 20

約数和(自身を含む): 452797488

約数和(自身を除く): 162316665

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 155921, 467763, 1403289, 3586183, 4209867, 10758549, 12629601, 32275647, 96826941, 290480823]

約数ペア:

[(1, 290480823), (3, 96826941), (9, 32275647), (23, 12629601), (27, 10758549), (69, 4209867), (81, 3586183), (207, 1403289), (621, 467763), (1863, 155921)]