1940805

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 3706560

約数和(自身を除く): 1765755

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 59, 85, 129, 153, 177, 215, 255, 295, 387, 531, 645, 731, 765, 885, 1003, 1935, 2193, 2537, 2655, 3009, 3655, 5015, 6579, 7611, 9027, 10965, 12685, 15045, 22833, 32895, 38055, 43129, 45135, 114165, 129387, 215645, 388161, 646935, 1940805]

約数ペア:

[(1, 1940805), (3, 646935), (5, 388161), (9, 215645), (15, 129387), (17, 114165), (43, 45135), (45, 43129), (51, 38055), (59, 32895), (85, 22833), (129, 15045), (153, 12685), (177, 10965), (215, 9027), (255, 7611), (295, 6579), (387, 5015), (531, 3655), (645, 3009), (731, 2655), (765, 2537), (885, 2193), (1003, 1935)]