199693599

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{306749}}^1$

素因数の和:306790

約数の個数: 16

約数和(自身を含む): 314112000

約数和(自身を除く): 114418401

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 306749, 920247, 2147243, 6441729, 9509219, 28527657, 66564533, 199693599]

約数ペア:

[(1, 199693599), (3, 66564533), (7, 28527657), (21, 9509219), (31, 6441729), (93, 2147243), (217, 920247), (651, 306749)]