1639442997

素因数分解:

$3^8\times {\mathrm{79}}^1\times {\mathrm{3163}}^1$

素因数の和:3266

約数の個数: 36

約数和(自身を含む): 2490953920

約数和(自身を除く): 851510923

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 729, 2133, 2187, 3163, 6399, 6561, 9489, 19197, 28467, 57591, 85401, 172773, 249877, 256203, 518319, 749631, 768609, 2248893, 2305827, 6746679, 6917481, 20240037, 20752443, 60720111, 182160333, 546480999, 1639442997]

約数ペア:

[(1, 1639442997), (3, 546480999), (9, 182160333), (27, 60720111), (79, 20752443), (81, 20240037), (237, 6917481), (243, 6746679), (711, 2305827), (729, 2248893), (2133, 768609), (2187, 749631), (3163, 518319), (6399, 256203), (6561, 249877), (9489, 172773), (19197, 85401), (28467, 57591)]