420801

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 612864

約数和(自身を除く): 192063

約数列:

[1, 3, 17, 37, 51, 111, 223, 629, 669, 1887, 3791, 8251, 11373, 24753, 140267, 420801]

約数ペア:

[(1, 420801), (3, 140267), (17, 24753), (37, 11373), (51, 8251), (111, 3791), (223, 1887), (629, 669)]