201755745

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{87911}}^1$

素因数の和:87942

約数の個数: 32

約数和(自身を含む): 379779840

約数和(自身を除く): 178024095

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 87911, 263733, 439555, 791199, 1318665, 1494487, 2373597, 3955995, 4483461, 7472435, 11867985, 13450383, 22417305, 40351149, 67251915, 201755745]

約数ペア:

[(1, 201755745), (3, 67251915), (5, 40351149), (9, 22417305), (15, 13450383), (17, 11867985), (27, 7472435), (45, 4483461), (51, 3955995), (85, 2373597), (135, 1494487), (153, 1318665), (255, 791199), (459, 439555), (765, 263733), (2295, 87911)]