31882905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 59439744

約数和(自身を除く): 27556839

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 587, 639, 765, 1065, 1207, 1761, 2935, 3195, 3621, 5283, 6035, 8805, 9979, 10863, 18105, 26415, 29937, 41677, 49895, 54315, 89811, 125031, 149685, 208385, 375093, 449055, 625155, 708509, 1875465, 2125527, 3542545, 6376581, 10627635, 31882905]

約数ペア:

[(1, 31882905), (3, 10627635), (5, 6376581), (9, 3542545), (15, 2125527), (17, 1875465), (45, 708509), (51, 625155), (71, 449055), (85, 375093), (153, 208385), (213, 149685), (255, 125031), (355, 89811), (587, 54315), (639, 49895), (765, 41677), (1065, 29937), (1207, 26415), (1761, 18105), (2935, 10863), (3195, 9979), (3621, 8805), (5283, 6035)]