209933865

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{65707}}^1$

素因数の和:65789

約数の個数: 24

約数和(自身を含む): 369016128

約数和(自身を除く): 159082263

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 65707, 197121, 328535, 591363, 985605, 2956815, 4665197, 13995591, 23325985, 41986773, 69977955, 209933865]

約数ペア:

[(1, 209933865), (3, 69977955), (5, 41986773), (9, 23325985), (15, 13995591), (45, 4665197), (71, 2956815), (213, 985605), (355, 591363), (639, 328535), (1065, 197121), (3195, 65707)]