30939489

素因数分解:

$3^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 55418880

約数和(自身を除く): 24479391

約数列:

[1, 3, 7, 9, 21, 27, 43, 47, 63, 81, 129, 141, 189, 243, 301, 329, 387, 423, 567, 729, 903, 987, 1161, 1269, 1701, 2021, 2187, 2709, 2961, 3483, 3807, 5103, 6063, 8127, 8883, 10449, 11421, 14147, 15309, 18189, 24381, 26649, 31347, 34263, 42441, 54567, 73143, 79947, 94041, 102789, 127323, 163701, 219429, 239841, 381969, 491103, 658287, 719523, 1145907, 1473309, 3437721, 4419927, 10313163, 30939489]

約数ペア:

[(1, 30939489), (3, 10313163), (7, 4419927), (9, 3437721), (21, 1473309), (27, 1145907), (43, 719523), (47, 658287), (63, 491103), (81, 381969), (129, 239841), (141, 219429), (189, 163701), (243, 127323), (301, 102789), (329, 94041), (387, 79947), (423, 73143), (567, 54567), (729, 42441), (903, 34263), (987, 31347), (1161, 26649), (1269, 24381), (1701, 18189), (2021, 15309), (2187, 14147), (2709, 11421), (2961, 10449), (3483, 8883), (3807, 8127), (5103, 6063)]