201531405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{1301}}^1$

素因数の和:1781

約数の個数: 32

約数和(自身を含む): 337478400

約数和(自身を除く): 135946995

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 449, 1301, 1347, 2245, 3903, 6505, 6735, 10327, 19515, 29923, 30981, 51635, 89769, 149615, 154905, 448845, 584149, 1752447, 2920745, 8762235, 13435427, 40306281, 67177135, 201531405]

約数ペア:

[(1, 201531405), (3, 67177135), (5, 40306281), (15, 13435427), (23, 8762235), (69, 2920745), (115, 1752447), (345, 584149), (449, 448845), (1301, 154905), (1347, 149615), (2245, 89769), (3903, 51635), (6505, 30981), (6735, 29923), (10327, 19515)]