668599869

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{2027}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 1035740160

約数和(自身を除く): 367140291

約数列:

[1, 3, 7, 21, 113, 139, 339, 417, 791, 973, 2027, 2373, 2919, 6081, 14189, 15707, 42567, 47121, 109949, 229051, 281753, 329847, 687153, 845259, 1603357, 1972271, 4810071, 5916813, 31838089, 95514267, 222866623, 668599869]

約数ペア:

[(1, 668599869), (3, 222866623), (7, 95514267), (21, 31838089), (113, 5916813), (139, 4810071), (339, 1972271), (417, 1603357), (791, 845259), (973, 687153), (2027, 329847), (2373, 281753), (2919, 229051), (6081, 109949), (14189, 47121), (15707, 42567)]