12289401

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{877}}^1$

素因数の和:1062

約数の個数: 20

約数和(自身を含む): 18485412

約数和(自身を除く): 6196011

約数列:

[1, 3, 9, 27, 81, 173, 519, 877, 1557, 2631, 4671, 7893, 14013, 23679, 71037, 151721, 455163, 1365489, 4096467, 12289401]

約数ペア:

[(1, 12289401), (3, 4096467), (9, 1365489), (27, 455163), (81, 151721), (173, 71037), (519, 23679), (877, 14013), (1557, 7893), (2631, 4671)]