209897613

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{1193}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 307894392

約数和(自身を除く): 97996779

約数列:

[1, 3, 9, 113, 173, 339, 519, 1017, 1193, 1557, 3579, 10737, 19549, 58647, 134809, 175941, 206389, 404427, 619167, 1213281, 1857501, 23321957, 69965871, 209897613]

約数ペア:

[(1, 209897613), (3, 69965871), (9, 23321957), (113, 1857501), (173, 1213281), (339, 619167), (519, 404427), (1017, 206389), (1193, 175941), (1557, 134809), (3579, 58647), (10737, 19549)]