25320141

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 49305600

約数和(自身を除く): 23985459

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 99, 133, 171, 189, 209, 231, 297, 399, 513, 627, 641, 693, 1197, 1463, 1881, 1923, 2079, 3591, 4389, 4487, 5643, 5769, 7051, 12179, 13167, 13461, 17307, 21153, 36537, 39501, 40383, 49357, 63459, 85253, 109611, 121149, 133969, 148071, 190377, 255759, 328833, 401907, 444213, 767277, 937783, 1205721, 1332639, 2301831, 2813349, 3617163, 8440047, 25320141]

約数ペア:

[(1, 25320141), (3, 8440047), (7, 3617163), (9, 2813349), (11, 2301831), (19, 1332639), (21, 1205721), (27, 937783), (33, 767277), (57, 444213), (63, 401907), (77, 328833), (99, 255759), (133, 190377), (171, 148071), (189, 133969), (209, 121149), (231, 109611), (297, 85253), (399, 63459), (513, 49357), (627, 40383), (641, 39501), (693, 36537), (1197, 21153), (1463, 17307), (1881, 13461), (1923, 13167), (2079, 12179), (3591, 7051), (4389, 5769), (4487, 5643)]