1200000021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{982801}}^1$

素因数の和:982852

約数の個数: 16

約数和(自身を含む): 1792630848

約数和(自身を除く): 592630827

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 982801, 2948403, 10810811, 32432433, 36363637, 109090911, 400000007, 1200000021]

約数ペア:

[(1, 1200000021), (3, 400000007), (11, 109090911), (33, 36363637), (37, 32432433), (111, 10810811), (407, 2948403), (1221, 982801)]