209618451

素因数分解:

$3^2\times 7^1\times {\mathrm{1193}}^1\times {\mathrm{2789}}^1$

素因数の和:3995

約数の個数: 24

約数和(自身を含む): 346451040

約数和(自身を除く): 136832589

約数列:

[1, 3, 7, 9, 21, 63, 1193, 2789, 3579, 8351, 8367, 10737, 19523, 25053, 25101, 58569, 75159, 175707, 3327277, 9981831, 23290939, 29945493, 69872817, 209618451]

約数ペア:

[(1, 209618451), (3, 69872817), (7, 29945493), (9, 23290939), (21, 9981831), (63, 3327277), (1193, 175707), (2789, 75159), (3579, 58569), (8351, 25101), (8367, 25053), (10737, 19523)]