9778209

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9907}}^1$

素因数の和:9964

約数の個数: 16

約数和(自身を含む): 15218688

約数和(自身を除く): 5440479

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 9907, 29721, 69349, 208047, 465629, 1396887, 3259403, 9778209]

約数ペア:

[(1, 9778209), (3, 3259403), (7, 1396887), (21, 465629), (47, 208047), (141, 69349), (329, 29721), (987, 9907)]