201225675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20173}}^1$

素因数の和:20212

約数の個数: 48

約数和(自身を含む): 400252160

約数和(自身を除く): 199026485

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975, 20173, 60519, 100865, 141211, 302595, 383287, 423633, 504325, 706055, 1149861, 1512975, 1916435, 2118165, 2683009, 3530275, 5749305, 8049027, 9582175, 10590825, 13415045, 28746525, 40245135, 67075225, 201225675]

約数ペア:

[(1, 201225675), (3, 67075225), (5, 40245135), (7, 28746525), (15, 13415045), (19, 10590825), (21, 9582175), (25, 8049027), (35, 5749305), (57, 3530275), (75, 2683009), (95, 2118165), (105, 1916435), (133, 1512975), (175, 1149861), (285, 706055), (399, 504325), (475, 423633), (525, 383287), (665, 302595), (1425, 141211), (1995, 100865), (3325, 60519), (9975, 20173)]