31893615

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1069}}^1$

素因数の和:1113

約数の個数: 64

約数和(自身を含む): 64713600

約数和(自身を除く): 32819985

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 459, 585, 663, 765, 1069, 1105, 1755, 1989, 2295, 3207, 3315, 5345, 5967, 9621, 9945, 13897, 16035, 18173, 28863, 29835, 41691, 48105, 54519, 69485, 90865, 125073, 144315, 163557, 208455, 236249, 272595, 375219, 490671, 625365, 708747, 817785, 1181245, 1876095, 2126241, 2453355, 3543735, 6378723, 10631205, 31893615]

約数ペア:

[(1, 31893615), (3, 10631205), (5, 6378723), (9, 3543735), (13, 2453355), (15, 2126241), (17, 1876095), (27, 1181245), (39, 817785), (45, 708747), (51, 625365), (65, 490671), (85, 375219), (117, 272595), (135, 236249), (153, 208455), (195, 163557), (221, 144315), (255, 125073), (351, 90865), (459, 69485), (585, 54519), (663, 48105), (765, 41691), (1069, 29835), (1105, 28863), (1755, 18173), (1989, 16035), (2295, 13897), (3207, 9945), (3315, 9621), (5345, 5967)]