208423935

素因数分解:

$3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7681}}^1$

素因数の和:7765

約数の個数: 40

約数和(自身を含む): 379244976

約数和(自身を除く): 170821041

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 335, 405, 603, 1005, 1809, 3015, 5427, 7681, 9045, 23043, 27135, 38405, 69129, 115215, 207387, 345645, 514627, 622161, 1036935, 1543881, 2573135, 3110805, 4631643, 7719405, 13894929, 23158215, 41684787, 69474645, 208423935]

約数ペア:

[(1, 208423935), (3, 69474645), (5, 41684787), (9, 23158215), (15, 13894929), (27, 7719405), (45, 4631643), (67, 3110805), (81, 2573135), (135, 1543881), (201, 1036935), (335, 622161), (405, 514627), (603, 345645), (1005, 207387), (1809, 115215), (3015, 69129), (5427, 38405), (7681, 27135), (9045, 23043)]