210244977

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{23813}}^1$

素因数の和:23934

約数の個数: 20

約数和(自身を含む): 316964340

約数和(自身を除く): 106719363

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 23813, 71439, 214317, 642951, 1928853, 2595617, 7786851, 23360553, 70081659, 210244977]

約数ペア:

[(1, 210244977), (3, 70081659), (9, 23360553), (27, 7786851), (81, 2595617), (109, 1928853), (327, 642951), (981, 214317), (2943, 71439), (8829, 23813)]