18154725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 32944320

約数和(自身を除く): 14789595

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 491, 493, 725, 1275, 1473, 1479, 2175, 2455, 2465, 7365, 7395, 8347, 12275, 12325, 14239, 25041, 36825, 36975, 41735, 42717, 71195, 125205, 208675, 213585, 242063, 355975, 626025, 726189, 1067925, 1210315, 3630945, 6051575, 18154725]

約数ペア:

[(1, 18154725), (3, 6051575), (5, 3630945), (15, 1210315), (17, 1067925), (25, 726189), (29, 626025), (51, 355975), (75, 242063), (85, 213585), (87, 208675), (145, 125205), (255, 71195), (425, 42717), (435, 41735), (491, 36975), (493, 36825), (725, 25041), (1275, 14239), (1473, 12325), (1479, 12275), (2175, 8347), (2455, 7395), (2465, 7365)]