199941609

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{19157}}^1$

素因数の和:19245

約数の個数: 24

約数和(自身を含む): 314497728

約数和(自身を除く): 114556119

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 19157, 57471, 134099, 402297, 938693, 1360147, 2816079, 4080441, 9521029, 28563087, 66647203, 199941609]

約数ペア:

[(1, 199941609), (3, 66647203), (7, 28563087), (21, 9521029), (49, 4080441), (71, 2816079), (147, 1360147), (213, 938693), (497, 402297), (1491, 134099), (3479, 57471), (10437, 19157)]