289901913

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{3823}}^1$

素因数の和:4013

約数の個数: 32

約数和(自身を含む): 464019456

約数和(自身を除く): 174117543

約数列:

[1, 3, 7, 21, 23, 69, 157, 161, 471, 483, 1099, 3297, 3611, 3823, 10833, 11469, 25277, 26761, 75831, 80283, 87929, 263787, 600211, 615503, 1800633, 1846509, 4201477, 12604431, 13804853, 41414559, 96633971, 289901913]

約数ペア:

[(1, 289901913), (3, 96633971), (7, 41414559), (21, 13804853), (23, 12604431), (69, 4201477), (157, 1846509), (161, 1800633), (471, 615503), (483, 600211), (1099, 263787), (3297, 87929), (3611, 80283), (3823, 75831), (10833, 26761), (11469, 25277)]