199361805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{26959}}^1$

素因数の和:27013

約数の個数: 32

約数和(自身を含む): 349401600

約数和(自身を除く): 150039795

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 26959, 80877, 134795, 404385, 458303, 781811, 1374909, 2291515, 2345433, 3909055, 6874545, 11727165, 13290787, 39872361, 66453935, 199361805]

約数ペア:

[(1, 199361805), (3, 66453935), (5, 39872361), (15, 13290787), (17, 11727165), (29, 6874545), (51, 3909055), (85, 2345433), (87, 2291515), (145, 1374909), (255, 781811), (435, 458303), (493, 404385), (1479, 134795), (2465, 80877), (7395, 26959)]