193864995

素因数分解:

$3^4\times 5^1\times {\mathrm{478679}}^1$

素因数の和:478696

約数の個数: 20

約数和(自身を含む): 347521680

約数和(自身を除く): 153656685

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 478679, 1436037, 2393395, 4308111, 7180185, 12924333, 21540555, 38772999, 64621665, 193864995]

約数ペア:

[(1, 193864995), (3, 64621665), (5, 38772999), (9, 21540555), (15, 12924333), (27, 7180185), (45, 4308111), (81, 2393395), (135, 1436037), (405, 478679)]