81194487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 123002880

約数和(自身を除く): 41808393

約数列:

[1, 3, 11, 31, 33, 93, 139, 341, 417, 571, 1023, 1529, 1713, 4309, 4587, 6281, 12927, 17701, 18843, 47399, 53103, 79369, 142197, 194711, 238107, 584133, 873059, 2460439, 2619177, 7381317, 27064829, 81194487]

約数ペア:

[(1, 81194487), (3, 27064829), (11, 7381317), (31, 2619177), (33, 2460439), (93, 873059), (139, 584133), (341, 238107), (417, 194711), (571, 142197), (1023, 79369), (1529, 53103), (1713, 47399), (4309, 18843), (4587, 17701), (6281, 12927)]