13783005

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 25945920

約数和(自身を除く): 12162915

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 419, 645, 731, 765, 1257, 1935, 2095, 2193, 3655, 3771, 6285, 6579, 7123, 10965, 18017, 18855, 21369, 32895, 35615, 54051, 64107, 90085, 106845, 162153, 270255, 306289, 320535, 810765, 918867, 1531445, 2756601, 4594335, 13783005]

約数ペア:

[(1, 13783005), (3, 4594335), (5, 2756601), (9, 1531445), (15, 918867), (17, 810765), (43, 320535), (45, 306289), (51, 270255), (85, 162153), (129, 106845), (153, 90085), (215, 64107), (255, 54051), (387, 35615), (419, 32895), (645, 21369), (731, 18855), (765, 18017), (1257, 10965), (1935, 7123), (2095, 6579), (2193, 6285), (3655, 3771)]