138456

素因数分解:

$2^3\times 3^3\times {\mathrm{641}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 385200

約数和(自身を除く): 246744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 641, 1282, 1923, 2564, 3846, 5128, 5769, 7692, 11538, 15384, 17307, 23076, 34614, 46152, 69228, 138456]

約数ペア:

[(1, 138456), (2, 69228), (3, 46152), (4, 34614), (6, 23076), (8, 17307), (9, 15384), (12, 11538), (18, 7692), (24, 5769), (27, 5128), (36, 3846), (54, 2564), (72, 1923), (108, 1282), (216, 641)]