6398721

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2161}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 10792704

約数和(自身を除く): 4393983

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2161, 2961, 6483, 15127, 19449, 45381, 101567, 136143, 304701, 710969, 914103, 2132907, 6398721]

約数ペア:

[(1, 6398721), (3, 2132907), (7, 914103), (9, 710969), (21, 304701), (47, 136143), (63, 101567), (141, 45381), (329, 19449), (423, 15127), (987, 6483), (2161, 2961)]