204508605

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{39749}}^1$

素因数の和:39778

約数の個数: 32

約数和(自身を含む): 381600000

約数和(自身を除く): 177091395

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 39749, 119247, 198745, 278243, 596235, 834729, 1391215, 1947701, 4173645, 5843103, 9738505, 13633907, 29215515, 40901721, 68169535, 204508605]

約数ペア:

[(1, 204508605), (3, 68169535), (5, 40901721), (7, 29215515), (15, 13633907), (21, 9738505), (35, 5843103), (49, 4173645), (105, 1947701), (147, 1391215), (245, 834729), (343, 596235), (735, 278243), (1029, 198745), (1715, 119247), (5145, 39749)]