1624725

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 3124800

約数和(自身を除く): 1500075

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 83, 87, 135, 145, 225, 249, 261, 415, 435, 675, 725, 747, 783, 1245, 1305, 2075, 2175, 2241, 2407, 3735, 3915, 6225, 6525, 7221, 11205, 12035, 18675, 19575, 21663, 36105, 56025, 60175, 64989, 108315, 180525, 324945, 541575, 1624725]

約数ペア:

[(1, 1624725), (3, 541575), (5, 324945), (9, 180525), (15, 108315), (25, 64989), (27, 60175), (29, 56025), (45, 36105), (75, 21663), (83, 19575), (87, 18675), (135, 12035), (145, 11205), (225, 7221), (249, 6525), (261, 6225), (415, 3915), (435, 3735), (675, 2407), (725, 2241), (747, 2175), (783, 2075), (1245, 1305)]