156640239

素因数分解:

$3^2\times 7^1\times {\mathrm{1553}}^1\times {\mathrm{1601}}^1$

素因数の和:3167

約数の個数: 24

約数和(自身を含む): 258908832

約数和(自身を除く): 102268593

約数列:

[1, 3, 7, 9, 21, 63, 1553, 1601, 4659, 4803, 10871, 11207, 13977, 14409, 32613, 33621, 97839, 100863, 2486353, 7459059, 17404471, 22377177, 52213413, 156640239]

約数ペア:

[(1, 156640239), (3, 52213413), (7, 22377177), (9, 17404471), (21, 7459059), (63, 2486353), (1553, 100863), (1601, 97839), (4659, 33621), (4803, 32613), (10871, 14409), (11207, 13977)]