17490249

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 30240320

約数和(自身を除く): 12750071

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 283, 327, 567, 763, 849, 981, 1981, 2289, 2547, 2943, 5943, 6867, 7641, 8829, 17829, 20601, 22923, 30847, 53487, 61803, 92541, 160461, 215929, 277623, 647787, 832869, 1943361, 2498607, 5830083, 17490249]

約数ペア:

[(1, 17490249), (3, 5830083), (7, 2498607), (9, 1943361), (21, 832869), (27, 647787), (63, 277623), (81, 215929), (109, 160461), (189, 92541), (283, 61803), (327, 53487), (567, 30847), (763, 22923), (849, 20601), (981, 17829), (1981, 8829), (2289, 7641), (2547, 6867), (2943, 5943)]