28681905

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{39023}}^1$

素因数の和:39045

約数の個数: 24

約数和(自身を含む): 53384832

約数和(自身を除く): 24702927

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 39023, 117069, 195115, 273161, 585345, 819483, 1365805, 1912127, 4097415, 5736381, 9560635, 28681905]

約数ペア:

[(1, 28681905), (3, 9560635), (5, 5736381), (7, 4097415), (15, 1912127), (21, 1365805), (35, 819483), (49, 585345), (105, 273161), (147, 195115), (245, 117069), (735, 39023)]