1968867

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:344

約数の個数: 20

約数和(自身を含む): 2981440

約数和(自身を除く): 1012573

約数列:

[1, 3, 9, 27, 81, 109, 223, 327, 669, 981, 2007, 2943, 6021, 8829, 18063, 24307, 72921, 218763, 656289, 1968867]

約数ペア:

[(1, 1968867), (3, 656289), (9, 218763), (27, 72921), (81, 24307), (109, 18063), (223, 8829), (327, 6021), (669, 2943), (981, 2007)]