219501981

素因数分解:

$3^4\times {\mathrm{733}}^1\times {\mathrm{3697}}^1$

素因数の和:4442

約数の個数: 20

約数和(自身を含む): 328434172

約数和(自身を除く): 108932191

約数列:

[1, 3, 9, 27, 81, 733, 2199, 3697, 6597, 11091, 19791, 33273, 59373, 99819, 299457, 2709901, 8129703, 24389109, 73167327, 219501981]

約数ペア:

[(1, 219501981), (3, 73167327), (9, 24389109), (27, 8129703), (81, 2709901), (733, 299457), (2199, 99819), (3697, 59373), (6597, 33273), (11091, 19791)]