209128759

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{3079}}^1$

素因数の和:3430

約数の個数: 16

約数和(自身を含む): 247582720

約数和(自身を除く): 38453961

約数列:

[1, 7, 31, 217, 313, 2191, 3079, 9703, 21553, 67921, 95449, 668143, 963727, 6746089, 29875537, 209128759]

約数ペア:

[(1, 209128759), (7, 29875537), (31, 6746089), (217, 963727), (313, 668143), (2191, 95449), (3079, 67921), (9703, 21553)]