639973278

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1693051}}^1$

素因数の和:1693069

約数の個数: 32

約数和(自身を含む): 1625329920

約数和(自身を除く): 985356642

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1693051, 3386102, 5079153, 10158306, 11851357, 15237459, 23702714, 30474918, 35554071, 45712377, 71108142, 91424754, 106662213, 213324426, 319986639, 639973278]

約数ペア:

[(1, 639973278), (2, 319986639), (3, 213324426), (6, 106662213), (7, 91424754), (9, 71108142), (14, 45712377), (18, 35554071), (21, 30474918), (27, 23702714), (42, 15237459), (54, 11851357), (63, 10158306), (126, 5079153), (189, 3386102), (378, 1693051)]