81521407

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 98703360

約数和(自身を除く): 17181953

約数列:

[1, 11, 23, 29, 41, 253, 271, 319, 451, 667, 943, 1189, 2981, 6233, 7337, 7859, 10373, 11111, 13079, 27347, 68563, 86449, 122221, 180757, 255553, 300817, 322219, 1988327, 2811083, 3544409, 7411037, 81521407]

約数ペア:

[(1, 81521407), (11, 7411037), (23, 3544409), (29, 2811083), (41, 1988327), (253, 322219), (271, 300817), (319, 255553), (451, 180757), (667, 122221), (943, 86449), (1189, 68563), (2981, 27347), (6233, 13079), (7337, 11111), (7859, 10373)]