7871451

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 12840960

約数和(自身を除く): 4969509

約数列:

[1, 3, 7, 21, 23, 43, 69, 129, 161, 301, 379, 483, 903, 989, 1137, 2653, 2967, 6923, 7959, 8717, 16297, 20769, 26151, 48891, 61019, 114079, 183057, 342237, 374831, 1124493, 2623817, 7871451]

約数ペア:

[(1, 7871451), (3, 2623817), (7, 1124493), (21, 374831), (23, 342237), (43, 183057), (69, 114079), (129, 61019), (161, 48891), (301, 26151), (379, 20769), (483, 16297), (903, 8717), (989, 7959), (1137, 6923), (2653, 2967)]