240973821

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 388365120

約数和(自身を除く): 147391299

約数列:

[1, 3, 9, 11, 33, 99, 109, 137, 163, 327, 411, 489, 981, 1199, 1233, 1467, 1507, 1793, 3597, 4521, 5379, 10791, 13563, 14933, 16137, 17767, 22331, 44799, 53301, 66993, 134397, 159903, 164263, 195437, 200979, 245641, 492789, 586311, 736923, 1478367, 1758933, 2210769, 2434079, 7302237, 21906711, 26774869, 80324607, 240973821]

約数ペア:

[(1, 240973821), (3, 80324607), (9, 26774869), (11, 21906711), (33, 7302237), (99, 2434079), (109, 2210769), (137, 1758933), (163, 1478367), (327, 736923), (411, 586311), (489, 492789), (981, 245641), (1199, 200979), (1233, 195437), (1467, 164263), (1507, 159903), (1793, 134397), (3597, 66993), (4521, 53301), (5379, 44799), (10791, 22331), (13563, 17767), (14933, 16137)]