25122141

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 19693539

約数列:

[1, 3, 9, 11, 17, 23, 33, 51, 59, 69, 99, 121, 153, 177, 187, 207, 253, 363, 391, 531, 561, 649, 759, 1003, 1089, 1173, 1357, 1683, 1947, 2057, 2277, 2783, 3009, 3519, 4071, 4301, 5841, 6171, 7139, 8349, 9027, 11033, 12213, 12903, 14927, 18513, 21417, 23069, 25047, 33099, 38709, 44781, 47311, 64251, 69207, 99297, 121363, 134343, 141933, 164197, 207621, 253759, 364089, 425799, 492591, 761277, 1092267, 1477773, 2283831, 2791349, 8374047, 25122141]

約数ペア:

[(1, 25122141), (3, 8374047), (9, 2791349), (11, 2283831), (17, 1477773), (23, 1092267), (33, 761277), (51, 492591), (59, 425799), (69, 364089), (99, 253759), (121, 207621), (153, 164197), (177, 141933), (187, 134343), (207, 121363), (253, 99297), (363, 69207), (391, 64251), (531, 47311), (561, 44781), (649, 38709), (759, 33099), (1003, 25047), (1089, 23069), (1173, 21417), (1357, 18513), (1683, 14927), (1947, 12903), (2057, 12213), (2277, 11033), (2783, 9027), (3009, 8349), (3519, 7139), (4071, 6171), (4301, 5841)]