16748613

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 28962560

約数和(自身を除く): 12213947

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 271, 327, 567, 763, 813, 981, 1897, 2289, 2439, 2943, 5691, 6867, 7317, 8829, 17073, 20601, 21951, 29539, 51219, 61803, 88617, 153657, 206773, 265851, 620319, 797553, 1860957, 2392659, 5582871, 16748613]

約数ペア:

[(1, 16748613), (3, 5582871), (7, 2392659), (9, 1860957), (21, 797553), (27, 620319), (63, 265851), (81, 206773), (109, 153657), (189, 88617), (271, 61803), (327, 51219), (567, 29539), (763, 21951), (813, 20601), (981, 17073), (1897, 8829), (2289, 7317), (2439, 6867), (2943, 5691)]