17821271

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 19766880

約数和(自身を除く): 1945609

約数列:

[1, 13, 73, 89, 211, 949, 1157, 2743, 6497, 15403, 18779, 84461, 200239, 244127, 1370867, 17821271]

約数ペア:

[(1, 17821271), (13, 1370867), (73, 244127), (89, 200239), (211, 84461), (949, 18779), (1157, 15403), (2743, 6497)]