207988473

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{81853}}^1$

素因数の和:81885

約数の個数: 24

約数和(自身を含む): 348370624

約数和(自身を除く): 140382151

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 81853, 245559, 572971, 900383, 1718913, 2701149, 6302681, 9904213, 18908043, 29712639, 69329491, 207988473]

約数ペア:

[(1, 207988473), (3, 69329491), (7, 29712639), (11, 18908043), (21, 9904213), (33, 6302681), (77, 2701149), (121, 1718913), (231, 900383), (363, 572971), (847, 245559), (2541, 81853)]