81678456

素因数分解:

$2^3\times 3^4\times {\mathrm{126047}}^1$

素因数の和:126065

約数の個数: 40

約数和(自身を含む): 228777120

約数和(自身を除く): 147098664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 126047, 252094, 378141, 504188, 756282, 1008376, 1134423, 1512564, 2268846, 3025128, 3403269, 4537692, 6806538, 9075384, 10209807, 13613076, 20419614, 27226152, 40839228, 81678456]

約数ペア:

[(1, 81678456), (2, 40839228), (3, 27226152), (4, 20419614), (6, 13613076), (8, 10209807), (9, 9075384), (12, 6806538), (18, 4537692), (24, 3403269), (27, 3025128), (36, 2268846), (54, 1512564), (72, 1134423), (81, 1008376), (108, 756282), (162, 504188), (216, 378141), (324, 252094), (648, 126047)]