120987189

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{7079}}^1$

素因数の和:7302

約数の個数: 20

約数和(自身を含む): 181616160

約数和(自身を除く): 60628971

約数列:

[1, 3, 9, 27, 81, 211, 633, 1899, 5697, 7079, 17091, 21237, 63711, 191133, 573399, 1493669, 4481007, 13443021, 40329063, 120987189]

約数ペア:

[(1, 120987189), (3, 40329063), (9, 13443021), (27, 4481007), (81, 1493669), (211, 573399), (633, 191133), (1899, 63711), (5697, 21237), (7079, 17091)]