201369665

素因数分解:

$5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{1907}}^1$

素因数の和:2357

約数の個数: 24

約数和(自身を含む): 281895552

約数和(自身を除く): 80525887

約数列:

[1, 5, 7, 35, 49, 245, 431, 1907, 2155, 3017, 9535, 13349, 15085, 21119, 66745, 93443, 105595, 467215, 821917, 4109585, 5753419, 28767095, 40273933, 201369665]

約数ペア:

[(1, 201369665), (5, 40273933), (7, 28767095), (35, 5753419), (49, 4109585), (245, 821917), (431, 467215), (1907, 105595), (2155, 93443), (3017, 66745), (9535, 21119), (13349, 15085)]