31154661

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 36

約数和(自身を含む): 48816768

約数和(自身を除く): 17662107

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 223, 361, 387, 669, 817, 1083, 2007, 2451, 3249, 4237, 7353, 9589, 12711, 15523, 28767, 38133, 46569, 80503, 86301, 139707, 182191, 241509, 546573, 724527, 1639719, 3461629, 10384887, 31154661]

約数ペア:

[(1, 31154661), (3, 10384887), (9, 3461629), (19, 1639719), (43, 724527), (57, 546573), (129, 241509), (171, 182191), (223, 139707), (361, 86301), (387, 80503), (669, 46569), (817, 38133), (1083, 28767), (2007, 15523), (2451, 12711), (3249, 9589), (4237, 7353)]