291305

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 24

約数和(自身を含む): 430920

約数和(自身を除く): 139615

約数列:

[1, 5, 7, 29, 35, 41, 49, 145, 203, 205, 245, 287, 1015, 1189, 1421, 1435, 2009, 5945, 7105, 8323, 10045, 41615, 58261, 291305]

約数ペア:

[(1, 291305), (5, 58261), (7, 41615), (29, 10045), (35, 8323), (41, 7105), (49, 5945), (145, 2009), (203, 1435), (205, 1421), (245, 1189), (287, 1015)]