1272817

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 1596672

約数和(自身を除く): 323855

約数列:

[1, 7, 13, 71, 91, 197, 497, 923, 1379, 2561, 6461, 13987, 17927, 97909, 181831, 1272817]

約数ペア:

[(1, 1272817), (7, 181831), (13, 97909), (71, 17927), (91, 13987), (197, 6461), (497, 2561), (923, 1379)]