208380057

素因数分解:

$3^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1\times {\mathrm{1213}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 280521408

約数和(自身を除く): 72141351

約数列:

[1, 3, 173, 331, 519, 993, 1213, 3639, 57263, 171789, 209849, 401503, 629547, 1204509, 69460019, 208380057]

約数ペア:

[(1, 208380057), (3, 69460019), (173, 1204509), (331, 629547), (519, 401503), (993, 209849), (1213, 171789), (3639, 57263)]