1982817

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 3032640

約数和(自身を除く): 1049823

約数列:

[1, 3, 9, 29, 71, 87, 107, 213, 261, 321, 639, 963, 2059, 3103, 6177, 7597, 9309, 18531, 22791, 27927, 68373, 220313, 660939, 1982817]

約数ペア:

[(1, 1982817), (3, 660939), (9, 220313), (29, 68373), (71, 27927), (87, 22791), (107, 18531), (213, 9309), (261, 7597), (321, 6177), (639, 3103), (963, 2059)]