15719613

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 26191872

約数和(自身を除く): 10472259

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 811, 923, 1491, 2433, 2769, 5677, 6461, 10543, 17031, 19383, 31629, 57581, 73801, 172743, 221403, 403067, 748553, 1209201, 2245659, 5239871, 15719613]

約数ペア:

[(1, 15719613), (3, 5239871), (7, 2245659), (13, 1209201), (21, 748553), (39, 403067), (71, 221403), (91, 172743), (213, 73801), (273, 57581), (497, 31629), (811, 19383), (923, 17031), (1491, 10543), (2433, 6461), (2769, 5677)]