12900335

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1021}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 18690336

約数和(自身を除く): 5790001

約数列:

[1, 5, 7, 19, 35, 95, 133, 361, 665, 1021, 1805, 2527, 5105, 7147, 12635, 19399, 35735, 96995, 135793, 368581, 678965, 1842905, 2580067, 12900335]

約数ペア:

[(1, 12900335), (5, 2580067), (7, 1842905), (19, 678965), (35, 368581), (95, 135793), (133, 96995), (361, 35735), (665, 19399), (1021, 12635), (1805, 7147), (2527, 5105)]