208968915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{605707}}^1$

素因数の和:605738

約数の個数: 16

約数和(自身を含む): 348887808

約数和(自身を除く): 139918893

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 605707, 1817121, 3028535, 9085605, 13931261, 41793783, 69656305, 208968915]

約数ペア:

[(1, 208968915), (3, 69656305), (5, 41793783), (15, 13931261), (23, 9085605), (69, 3028535), (115, 1817121), (345, 605707)]