7775217

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 12172160

約数和(自身を除く): 4396943

約数列:

[1, 3, 9, 27, 37, 43, 111, 129, 181, 333, 387, 543, 999, 1161, 1591, 1629, 4773, 4887, 6697, 7783, 14319, 20091, 23349, 42957, 60273, 70047, 180819, 210141, 287971, 863913, 2591739, 7775217]

約数ペア:

[(1, 7775217), (3, 2591739), (9, 863913), (27, 287971), (37, 210141), (43, 180819), (111, 70047), (129, 60273), (181, 42957), (333, 23349), (387, 20091), (543, 14319), (999, 7783), (1161, 6697), (1591, 4887), (1629, 4773)]