207975117

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139487}}^1$

素因数の和:139568

約数の個数: 16

約数和(自身を含む): 321380352

約数和(自身を除く): 113405235

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 139487, 418461, 976409, 2929227, 9903577, 29710731, 69325039, 207975117]

約数ペア:

[(1, 207975117), (3, 69325039), (7, 29710731), (21, 9903577), (71, 2929227), (213, 976409), (497, 418461), (1491, 139487)]