81516834

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{215653}}^1$

素因数の和:215671

約数の個数: 32

約数和(自身を含む): 207027840

約数和(自身を除く): 125511006

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 215653, 431306, 646959, 1293918, 1509571, 1940877, 3019142, 3881754, 4528713, 5822631, 9057426, 11645262, 13586139, 27172278, 40758417, 81516834]

約数ペア:

[(1, 81516834), (2, 40758417), (3, 27172278), (6, 13586139), (7, 11645262), (9, 9057426), (14, 5822631), (18, 4528713), (21, 3881754), (27, 3019142), (42, 1940877), (54, 1509571), (63, 1293918), (126, 646959), (189, 431306), (378, 215653)]