198291261

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{200903}}^1$

素因数の和:200960

約数の個数: 16

約数和(自身を含む): 308588544

約数和(自身を除く): 110297283

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 200903, 602709, 1406321, 4218963, 9442441, 28327323, 66097087, 198291261]

約数ペア:

[(1, 198291261), (3, 66097087), (7, 28327323), (21, 9442441), (47, 4218963), (141, 1406321), (329, 602709), (987, 200903)]