328347789

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{15971}}^1$

素因数の和:16081

約数の個数: 32

約数和(自身を含む): 551992320

約数和(自身を除く): 223644531

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 231, 267, 623, 979, 1869, 2937, 6853, 15971, 20559, 47913, 111797, 175681, 335391, 527043, 1229767, 1421419, 3689301, 4264257, 9949933, 15635609, 29849799, 46906827, 109449263, 328347789]

約数ペア:

[(1, 328347789), (3, 109449263), (7, 46906827), (11, 29849799), (21, 15635609), (33, 9949933), (77, 4264257), (89, 3689301), (231, 1421419), (267, 1229767), (623, 527043), (979, 335391), (1869, 175681), (2937, 111797), (6853, 47913), (15971, 20559)]