90405579

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1319}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 137871360

約数和(自身を除く): 47465781

約数列:

[1, 3, 11, 31, 33, 67, 93, 201, 341, 737, 1023, 1319, 2077, 2211, 3957, 6231, 14509, 22847, 40889, 43527, 68541, 88373, 122667, 265119, 449779, 972103, 1349337, 2739563, 2916309, 8218689, 30135193, 90405579]

約数ペア:

[(1, 90405579), (3, 30135193), (11, 8218689), (31, 2916309), (33, 2739563), (67, 1349337), (93, 972103), (201, 449779), (341, 265119), (737, 122667), (1023, 88373), (1319, 68541), (2077, 43527), (2211, 40889), (3957, 22847), (6231, 14509)]