31212069

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1879}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 48864960

約数和(自身を除く): 17652891

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 1879, 2373, 5537, 5637, 13153, 16611, 39459, 92071, 212327, 276213, 636981, 1486289, 4458867, 10404023, 31212069]

約数ペア:

[(1, 31212069), (3, 10404023), (7, 4458867), (21, 1486289), (49, 636981), (113, 276213), (147, 212327), (339, 92071), (791, 39459), (1879, 16611), (2373, 13153), (5537, 5637)]