2103171921

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{251}}^1\times {\mathrm{2579}}^1$

素因数の和:2874

約数の個数: 36

約数和(自身を含む): 3220242480

約数和(自身を除く): 1117070559

約数列:

[1, 3, 9, 19, 57, 171, 251, 361, 753, 1083, 2259, 2579, 3249, 4769, 7737, 14307, 23211, 42921, 49001, 90611, 147003, 271833, 441009, 647329, 815499, 931019, 1941987, 2793057, 5825961, 8379171, 12299251, 36897753, 110693259, 233685769, 701057307, 2103171921]

約数ペア:

[(1, 2103171921), (3, 701057307), (9, 233685769), (19, 110693259), (57, 36897753), (171, 12299251), (251, 8379171), (361, 5825961), (753, 2793057), (1083, 1941987), (2259, 931019), (2579, 815499), (3249, 647329), (4769, 441009), (7737, 271833), (14307, 147003), (23211, 90611), (42921, 49001)]