641706939

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1307}}^1\times {\mathrm{3209}}^1$

素因数の和:4539

約数の個数: 24

約数和(自身を含む): 982491120

約数和(自身を除く): 340784181

約数列:

[1, 3, 9, 17, 51, 153, 1307, 3209, 3921, 9627, 11763, 22219, 28881, 54553, 66657, 163659, 199971, 490977, 4194163, 12582489, 37747467, 71300771, 213902313, 641706939]

約数ペア:

[(1, 641706939), (3, 213902313), (9, 71300771), (17, 37747467), (51, 12582489), (153, 4194163), (1307, 490977), (3209, 199971), (3921, 163659), (9627, 66657), (11763, 54553), (22219, 28881)]