12961395

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16943}}^1$

素因数の和:16971

約数の個数: 24

約数和(自身を含む): 23789376

約数和(自身を除く): 10827981

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 16943, 50829, 84715, 152487, 254145, 288031, 762435, 864093, 1440155, 2592279, 4320465, 12961395]

約数ペア:

[(1, 12961395), (3, 4320465), (5, 2592279), (9, 1440155), (15, 864093), (17, 762435), (45, 288031), (51, 254145), (85, 152487), (153, 84715), (255, 50829), (765, 16943)]