205040829

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137519}}^1$

素因数の和:137600

約数の個数: 16

約数和(自身を含む): 316846080

約数和(自身を除く): 111805251

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 137519, 412557, 962633, 2887899, 9763849, 29291547, 68346943, 205040829]

約数ペア:

[(1, 205040829), (3, 68346943), (7, 29291547), (21, 9763849), (71, 2887899), (213, 962633), (497, 412557), (1491, 137519)]