31219497

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1907}}^1$

素因数の和:2037

約数の個数: 24

約数和(自身を含む): 48218976

約数和(自身を除く): 16999479

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 1819, 1907, 5457, 5721, 16371, 17163, 32419, 97257, 204049, 291771, 612147, 1836441, 3468833, 10406499, 31219497]

約数ペア:

[(1, 31219497), (3, 10406499), (9, 3468833), (17, 1836441), (51, 612147), (107, 291771), (153, 204049), (321, 97257), (963, 32419), (1819, 17163), (1907, 16371), (5457, 5721)]