13178325

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 23123520

約数和(自身を除く): 9945195

約数列:

[1, 3, 5, 15, 25, 29, 73, 75, 83, 87, 145, 219, 249, 365, 415, 435, 725, 1095, 1245, 1825, 2075, 2117, 2175, 2407, 5475, 6059, 6225, 6351, 7221, 10585, 12035, 18177, 30295, 31755, 36105, 52925, 60175, 90885, 151475, 158775, 175711, 180525, 454425, 527133, 878555, 2635665, 4392775, 13178325]

約数ペア:

[(1, 13178325), (3, 4392775), (5, 2635665), (15, 878555), (25, 527133), (29, 454425), (73, 180525), (75, 175711), (83, 158775), (87, 151475), (145, 90885), (219, 60175), (249, 52925), (365, 36105), (415, 31755), (435, 30295), (725, 18177), (1095, 12035), (1245, 10585), (1825, 7221), (2075, 6351), (2117, 6225), (2175, 6059), (2407, 5475)]