1216378305

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1590037}}^1$

素因数の和:1590065

約数の個数: 24

約数和(自身を含む): 2232413352

約数和(自身を除く): 1016035047

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1590037, 4770111, 7950185, 14310333, 23850555, 27030629, 71551665, 81091887, 135153145, 243275661, 405459435, 1216378305]

約数ペア:

[(1, 1216378305), (3, 405459435), (5, 243275661), (9, 135153145), (15, 81091887), (17, 71551665), (45, 27030629), (51, 23850555), (85, 14310333), (153, 7950185), (255, 4770111), (765, 1590037)]