25147845

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 46904832

約数和(自身を除く): 21756987

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 463, 639, 765, 1065, 1207, 1389, 2315, 3195, 3621, 4167, 6035, 6945, 7871, 10863, 18105, 20835, 23613, 32873, 39355, 54315, 70839, 98619, 118065, 164365, 295857, 354195, 493095, 558841, 1479285, 1676523, 2794205, 5029569, 8382615, 25147845]

約数ペア:

[(1, 25147845), (3, 8382615), (5, 5029569), (9, 2794205), (15, 1676523), (17, 1479285), (45, 558841), (51, 493095), (71, 354195), (85, 295857), (153, 164365), (213, 118065), (255, 98619), (355, 70839), (463, 54315), (639, 39355), (765, 32873), (1065, 23613), (1207, 20835), (1389, 18105), (2315, 10863), (3195, 7871), (3621, 6945), (4167, 6035)]