9005409

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 14956032

約数和(自身を除く): 5950623

約数列:

[1, 3, 7, 9, 21, 63, 223, 641, 669, 1561, 1923, 2007, 4487, 4683, 5769, 13461, 14049, 40383, 142943, 428829, 1000601, 1286487, 3001803, 9005409]

約数ペア:

[(1, 9005409), (3, 3001803), (7, 1286487), (9, 1000601), (21, 428829), (63, 142943), (223, 40383), (641, 14049), (669, 13461), (1561, 5769), (1923, 4683), (2007, 4487)]