31080489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 47831040

約数和(自身を除く): 16750551

約数列:

[1, 3, 11, 29, 33, 47, 87, 141, 319, 517, 691, 957, 1363, 1551, 2073, 4089, 7601, 14993, 20039, 22803, 32477, 44979, 60117, 97431, 220429, 357247, 661287, 941833, 1071741, 2825499, 10360163, 31080489]

約数ペア:

[(1, 31080489), (3, 10360163), (11, 2825499), (29, 1071741), (33, 941833), (47, 661287), (87, 357247), (141, 220429), (319, 97431), (517, 60117), (691, 44979), (957, 32477), (1363, 22803), (1551, 20039), (2073, 14993), (4089, 7601)]