31380129

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:923

約数の個数: 40

約数和(自身を含む): 52446240

約数和(自身を除く): 21066111

約数列:

[1, 3, 9, 11, 27, 33, 41, 81, 99, 123, 297, 369, 451, 859, 891, 1107, 1353, 2577, 3321, 4059, 7731, 9449, 12177, 23193, 28347, 35219, 36531, 69579, 85041, 105657, 255123, 316971, 387409, 765369, 950913, 1162227, 2852739, 3486681, 10460043, 31380129]

約数ペア:

[(1, 31380129), (3, 10460043), (9, 3486681), (11, 2852739), (27, 1162227), (33, 950913), (41, 765369), (81, 387409), (99, 316971), (123, 255123), (297, 105657), (369, 85041), (451, 69579), (859, 36531), (891, 35219), (1107, 28347), (1353, 23193), (2577, 12177), (3321, 9449), (4059, 7731)]