1894995

素因数分解:

$3^4\times 5^1\times {\mathrm{4679}}^1$

素因数の和:4696

約数の個数: 20

約数和(自身を含む): 3397680

約数和(自身を除く): 1502685

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4679, 14037, 23395, 42111, 70185, 126333, 210555, 378999, 631665, 1894995]

約数ペア:

[(1, 1894995), (3, 631665), (5, 378999), (9, 210555), (15, 126333), (27, 70185), (45, 42111), (81, 23395), (135, 14037), (405, 4679)]