18488169

素因数分解:

$3^6\times 7^1\times {\mathrm{3623}}^1$

素因数の和:3648

約数の個数: 28

約数和(自身を含む): 31688256

約数和(自身を除く): 13200087

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3623, 5103, 10869, 25361, 32607, 76083, 97821, 228249, 293463, 684747, 880389, 2054241, 2641167, 6162723, 18488169]

約数ペア:

[(1, 18488169), (3, 6162723), (7, 2641167), (9, 2054241), (21, 880389), (27, 684747), (63, 293463), (81, 228249), (189, 97821), (243, 76083), (567, 32607), (729, 25361), (1701, 10869), (3623, 5103)]