331392303

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 572622336

約数和(自身を除く): 241230033

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 103, 157, 207, 253, 297, 309, 471, 621, 759, 891, 927, 1133, 1413, 1727, 1863, 2277, 2369, 2781, 3399, 3611, 4239, 5181, 6831, 7107, 8343, 10197, 10833, 12717, 15543, 16171, 20493, 21321, 26059, 30591, 32499, 39721, 46629, 48513, 63963, 78177, 91773, 97497, 119163, 139887, 145539, 177881, 191889, 234531, 292491, 357489, 371933, 436617, 533643, 703593, 1072467, 1115799, 1309851, 1600929, 2110779, 3217401, 3347397, 4091263, 4802787, 10042191, 12273789, 14408361, 30126573, 36821367, 110464101, 331392303]

約数ペア:

[(1, 331392303), (3, 110464101), (9, 36821367), (11, 30126573), (23, 14408361), (27, 12273789), (33, 10042191), (69, 4802787), (81, 4091263), (99, 3347397), (103, 3217401), (157, 2110779), (207, 1600929), (253, 1309851), (297, 1115799), (309, 1072467), (471, 703593), (621, 533643), (759, 436617), (891, 371933), (927, 357489), (1133, 292491), (1413, 234531), (1727, 191889), (1863, 177881), (2277, 145539), (2369, 139887), (2781, 119163), (3399, 97497), (3611, 91773), (4239, 78177), (5181, 63963), (6831, 48513), (7107, 46629), (8343, 39721), (10197, 32499), (10833, 30591), (12717, 26059), (15543, 21321), (16171, 20493)]