51980475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 92672640

約数和(自身を除く): 40692165

約数列:

[1, 3, 5, 15, 17, 25, 51, 59, 75, 85, 177, 255, 295, 425, 691, 885, 1003, 1275, 1475, 2073, 3009, 3455, 4425, 5015, 10365, 11747, 15045, 17275, 25075, 35241, 40769, 51825, 58735, 75225, 122307, 176205, 203845, 293675, 611535, 693073, 881025, 1019225, 2079219, 3057675, 3465365, 10396095, 17326825, 51980475]

約数ペア:

[(1, 51980475), (3, 17326825), (5, 10396095), (15, 3465365), (17, 3057675), (25, 2079219), (51, 1019225), (59, 881025), (75, 693073), (85, 611535), (177, 293675), (255, 203845), (295, 176205), (425, 122307), (691, 75225), (885, 58735), (1003, 51825), (1275, 40769), (1475, 35241), (2073, 25075), (3009, 17275), (3455, 15045), (4425, 11747), (5015, 10365)]