1917999

素因数分解:

$3^7\times {\mathrm{877}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 2879840

約数和(自身を除く): 961841

約数列:

[1, 3, 9, 27, 81, 243, 729, 877, 2187, 2631, 7893, 23679, 71037, 213111, 639333, 1917999]

約数ペア:

[(1, 1917999), (3, 639333), (9, 213111), (27, 71037), (81, 23679), (243, 7893), (729, 2631), (877, 2187)]