31491243

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1597}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 52184288

約数和(自身を除く): 20693045

約数列:

[1, 3, 7, 9, 21, 63, 313, 939, 1597, 2191, 2817, 4791, 6573, 11179, 14373, 19719, 33537, 100611, 499861, 1499583, 3499027, 4498749, 10497081, 31491243]

約数ペア:

[(1, 31491243), (3, 10497081), (7, 4498749), (9, 3499027), (21, 1499583), (63, 499861), (313, 100611), (939, 33537), (1597, 19719), (2191, 14373), (2817, 11179), (4791, 6573)]