1977729

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 3185280

約数和(自身を除く): 1207551

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 157, 221, 247, 323, 471, 663, 741, 969, 2041, 2669, 2983, 4199, 6123, 8007, 8949, 12597, 34697, 38779, 50711, 104091, 116337, 152133, 659243, 1977729]

約数ペア:

[(1, 1977729), (3, 659243), (13, 152133), (17, 116337), (19, 104091), (39, 50711), (51, 38779), (57, 34697), (157, 12597), (221, 8949), (247, 8007), (323, 6123), (471, 4199), (663, 2983), (741, 2669), (969, 2041)]