27501921

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 40674816

約数和(自身を除く): 13172895

約数列:

[1, 3, 9, 71, 193, 213, 223, 579, 639, 669, 1737, 2007, 13703, 15833, 41109, 43039, 47499, 123327, 129117, 142497, 387351, 3055769, 9167307, 27501921]

約数ペア:

[(1, 27501921), (3, 9167307), (9, 3055769), (71, 387351), (193, 142497), (213, 129117), (223, 123327), (579, 47499), (639, 43039), (669, 41109), (1737, 15833), (2007, 13703)]