31880499

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79901}}^1$

素因数の和:79930

約数の個数: 16

約数和(自身を含む): 51137280

約数和(自身を除く): 19256781

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 79901, 239703, 559307, 1518119, 1677921, 4554357, 10626833, 31880499]

約数ペア:

[(1, 31880499), (3, 10626833), (7, 4554357), (19, 1677921), (21, 1518119), (57, 559307), (133, 239703), (399, 79901)]