2019909015

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{515941}}^1$

素因数の和:515984

約数の個数: 32

約数和(自身を含む): 3714782400

約数和(自身を除く): 1694873385

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 515941, 1547823, 2579705, 4643469, 7739115, 13930407, 14962289, 23217345, 44886867, 69652035, 74811445, 134660601, 224434335, 403981803, 673303005, 2019909015]

約数ペア:

[(1, 2019909015), (3, 673303005), (5, 403981803), (9, 224434335), (15, 134660601), (27, 74811445), (29, 69652035), (45, 44886867), (87, 23217345), (135, 14962289), (145, 13930407), (261, 7739115), (435, 4643469), (783, 2579705), (1305, 1547823), (3915, 515941)]