25015551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 40199808

約数和(自身を除く): 15184257

約数列:

[1, 3, 11, 17, 33, 43, 51, 61, 129, 183, 187, 289, 473, 561, 671, 731, 867, 1037, 1419, 2013, 2193, 2623, 3111, 3179, 7869, 8041, 9537, 11407, 12427, 17629, 24123, 28853, 34221, 37281, 44591, 52887, 86559, 133773, 136697, 193919, 410091, 490501, 581757, 758047, 1471503, 2274141, 8338517, 25015551]

約数ペア:

[(1, 25015551), (3, 8338517), (11, 2274141), (17, 1471503), (33, 758047), (43, 581757), (51, 490501), (61, 410091), (129, 193919), (183, 136697), (187, 133773), (289, 86559), (473, 52887), (561, 44591), (671, 37281), (731, 34221), (867, 28853), (1037, 24123), (1419, 17629), (2013, 12427), (2193, 11407), (2623, 9537), (3111, 8041), (3179, 7869)]