2580921

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 4328064

約数和(自身を除く): 1747143

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 577, 639, 1491, 1731, 4039, 4473, 5193, 12117, 36351, 40967, 122901, 286769, 368703, 860307, 2580921]

約数ペア:

[(1, 2580921), (3, 860307), (7, 368703), (9, 286769), (21, 122901), (63, 40967), (71, 36351), (213, 12117), (497, 5193), (577, 4473), (639, 4039), (1491, 1731)]