31999245

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45389}}^1$

素因数の和:45444

約数の個数: 16

約数和(自身を含む): 52289280

約数和(自身を除く): 20290035

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 45389, 136167, 226945, 680835, 2133283, 6399849, 10666415, 31999245]

約数ペア:

[(1, 31999245), (3, 10666415), (5, 6399849), (15, 2133283), (47, 680835), (141, 226945), (235, 136167), (705, 45389)]