15388947

素因数分解:

$3^5\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 26906880

約数和(自身を除く): 11517933

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 109, 189, 243, 249, 327, 567, 581, 747, 763, 981, 1701, 1743, 2241, 2289, 2943, 5229, 6723, 6867, 8829, 9047, 15687, 20169, 20601, 26487, 27141, 47061, 61803, 63329, 81423, 141183, 185409, 189987, 244269, 569961, 732807, 1709883, 2198421, 5129649, 15388947]

約数ペア:

[(1, 15388947), (3, 5129649), (7, 2198421), (9, 1709883), (21, 732807), (27, 569961), (63, 244269), (81, 189987), (83, 185409), (109, 141183), (189, 81423), (243, 63329), (249, 61803), (327, 47061), (567, 27141), (581, 26487), (747, 20601), (763, 20169), (981, 15687), (1701, 9047), (1743, 8829), (2241, 6867), (2289, 6723), (2943, 5229)]