18066447

素因数分解:

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

素因数の和:668

約数の個数: 36

約数和(自身を含む): 30837456

約数和(自身を除く): 12771009

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 577, 639, 1491, 1731, 3479, 4039, 4473, 5193, 10437, 12117, 28273, 31311, 36351, 40967, 84819, 122901, 254457, 286769, 368703, 860307, 2007383, 2580921, 6022149, 18066447]

約数ペア:

[(1, 18066447), (3, 6022149), (7, 2580921), (9, 2007383), (21, 860307), (49, 368703), (63, 286769), (71, 254457), (147, 122901), (213, 84819), (441, 40967), (497, 36351), (577, 31311), (639, 28273), (1491, 12117), (1731, 10437), (3479, 5193), (4039, 4473)]