206978685

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{1051}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 349432320

約数和(自身を除く): 142453635

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 691, 1051, 2073, 3153, 3455, 5255, 10365, 13129, 15765, 19969, 39387, 59907, 65645, 99845, 196935, 299535, 726241, 2178723, 3631205, 10893615, 13798579, 41395737, 68992895, 206978685]

約数ペア:

[(1, 206978685), (3, 68992895), (5, 41395737), (15, 13798579), (19, 10893615), (57, 3631205), (95, 2178723), (285, 726241), (691, 299535), (1051, 196935), (2073, 99845), (3153, 65645), (3455, 59907), (5255, 39387), (10365, 19969), (13129, 15765)]