2421171

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:504

約数の個数: 20

約数和(自身を含む): 3676464

約数和(自身を除く): 1255293

約数列:

[1, 3, 9, 27, 71, 81, 213, 421, 639, 1263, 1917, 3789, 5751, 11367, 29891, 34101, 89673, 269019, 807057, 2421171]

約数ペア:

[(1, 2421171), (3, 807057), (9, 269019), (27, 89673), (71, 34101), (81, 29891), (213, 11367), (421, 5751), (639, 3789), (1263, 1917)]