2181815601

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{187877}}^1$

素因数の和:187973

約数の個数: 24

約数和(自身を含む): 3426894720

約数和(自身を除く): 1245079119

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 3871, 11613, 187877, 563631, 1315139, 3945417, 9205973, 14842283, 27617919, 44526849, 103895981, 311687943, 727271867, 2181815601]

約数ペア:

[(1, 2181815601), (3, 727271867), (7, 311687943), (21, 103895981), (49, 44526849), (79, 27617919), (147, 14842283), (237, 9205973), (553, 3945417), (1659, 1315139), (3871, 563631), (11613, 187877)]