1915691817

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{353}}^1\times {\mathrm{613}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 2775201408

約数和(自身を除く): 859509591

約数列:

[1, 3, 13, 39, 227, 353, 613, 681, 1059, 1839, 2951, 4589, 7969, 8853, 13767, 23907, 80131, 139151, 216389, 240393, 417453, 649167, 1041703, 1808963, 2813057, 3125109, 5426889, 8439171, 49120303, 147360909, 638563939, 1915691817]

約数ペア:

[(1, 1915691817), (3, 638563939), (13, 147360909), (39, 49120303), (227, 8439171), (353, 5426889), (613, 3125109), (681, 2813057), (1059, 1808963), (1839, 1041703), (2951, 649167), (4589, 417453), (7969, 240393), (8853, 216389), (13767, 139151), (23907, 80131)]