204078645

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{105467}}^1$

素因数の和:105521

約数の個数: 24

約数和(自身を含む): 361966176

約数和(自身を除く): 157887531

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 105467, 316401, 527335, 949203, 1582005, 4535081, 4746015, 13605243, 22675405, 40815729, 68026215, 204078645]

約数ペア:

[(1, 204078645), (3, 68026215), (5, 40815729), (9, 22675405), (15, 13605243), (43, 4746015), (45, 4535081), (129, 1582005), (215, 949203), (387, 527335), (645, 316401), (1935, 105467)]