23287725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 44684640

約数和(自身を除く): 21396915

約数列:

[1, 3, 5, 9, 15, 25, 29, 43, 45, 75, 83, 87, 129, 145, 215, 225, 249, 261, 387, 415, 435, 645, 725, 747, 1075, 1245, 1247, 1305, 1935, 2075, 2175, 2407, 3225, 3569, 3735, 3741, 6225, 6235, 6525, 7221, 9675, 10707, 11223, 12035, 17845, 18675, 18705, 21663, 31175, 32121, 36105, 53535, 56115, 60175, 89225, 93525, 103501, 108315, 160605, 180525, 267675, 280575, 310503, 517505, 541575, 803025, 931509, 1552515, 2587525, 4657545, 7762575, 23287725]

約数ペア:

[(1, 23287725), (3, 7762575), (5, 4657545), (9, 2587525), (15, 1552515), (25, 931509), (29, 803025), (43, 541575), (45, 517505), (75, 310503), (83, 280575), (87, 267675), (129, 180525), (145, 160605), (215, 108315), (225, 103501), (249, 93525), (261, 89225), (387, 60175), (415, 56115), (435, 53535), (645, 36105), (725, 32121), (747, 31175), (1075, 21663), (1245, 18705), (1247, 18675), (1305, 17845), (1935, 12035), (2075, 11223), (2175, 10707), (2407, 9675), (3225, 7221), (3569, 6525), (3735, 6235), (3741, 6225)]