6621909

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 10391328

約数和(自身を除く): 3769419

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 421, 749, 1263, 2247, 2947, 5243, 8841, 15729, 20629, 45047, 61887, 135141, 315329, 945987, 2207303, 6621909]

約数ペア:

[(1, 6621909), (3, 2207303), (7, 945987), (21, 315329), (49, 135141), (107, 61887), (147, 45047), (321, 20629), (421, 15729), (749, 8841), (1263, 5243), (2247, 2947)]