399789

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:106

約数の個数: 32

約数和(自身を含む): 685440

約数和(自身を除く): 285651

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 67, 117, 153, 201, 221, 351, 459, 603, 663, 871, 1139, 1809, 1989, 2613, 3417, 5967, 7839, 10251, 14807, 23517, 30753, 44421, 133263, 399789]

約数ペア:

[(1, 399789), (3, 133263), (9, 44421), (13, 30753), (17, 23517), (27, 14807), (39, 10251), (51, 7839), (67, 5967), (117, 3417), (153, 2613), (201, 1989), (221, 1809), (351, 1139), (459, 871), (603, 663)]