985551

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 1525248

約数和(自身を除く): 539697

約数列:

[1, 3, 7, 21, 71, 213, 497, 661, 1491, 1983, 4627, 13881, 46931, 140793, 328517, 985551]

約数ペア:

[(1, 985551), (3, 328517), (7, 140793), (21, 46931), (71, 13881), (213, 4627), (497, 1983), (661, 1491)]