784323

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 20

約数和(自身を含む): 1225488

約数和(自身を除く): 441165

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 421, 621, 1263, 1863, 3789, 9683, 11367, 29049, 34101, 87147, 261441, 784323]

約数ペア:

[(1, 784323), (3, 261441), (9, 87147), (23, 34101), (27, 29049), (69, 11367), (81, 9683), (207, 3789), (421, 1863), (621, 1263)]