198781797

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 280166400

約数和(自身を除く): 81384603

約数列:

[1, 3, 37, 59, 111, 127, 177, 239, 381, 717, 2183, 4699, 6549, 7493, 8843, 14097, 14101, 22479, 26529, 30353, 42303, 91059, 277241, 521737, 831723, 1123061, 1565211, 1790827, 3369183, 5372481, 66260599, 198781797]

約数ペア:

[(1, 198781797), (3, 66260599), (37, 5372481), (59, 3369183), (111, 1790827), (127, 1565211), (177, 1123061), (239, 831723), (381, 521737), (717, 277241), (2183, 91059), (4699, 42303), (6549, 30353), (7493, 26529), (8843, 22479), (14097, 14101)]