27761391

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:90

約数の個数: 72

約数和(自身を含む): 51760800

約数和(自身を除く): 23999409

約数列:

[1, 3, 7, 9, 17, 21, 23, 49, 51, 63, 69, 119, 147, 153, 161, 207, 343, 357, 391, 441, 483, 529, 833, 1029, 1071, 1127, 1173, 1449, 1587, 2499, 2737, 3087, 3381, 3519, 3703, 4761, 5831, 7497, 7889, 8211, 8993, 10143, 11109, 17493, 19159, 23667, 24633, 25921, 26979, 33327, 52479, 57477, 62951, 71001, 77763, 80937, 134113, 172431, 181447, 188853, 233289, 402339, 440657, 544341, 566559, 1207017, 1321971, 1633023, 3084599, 3965913, 9253797, 27761391]

約数ペア:

[(1, 27761391), (3, 9253797), (7, 3965913), (9, 3084599), (17, 1633023), (21, 1321971), (23, 1207017), (49, 566559), (51, 544341), (63, 440657), (69, 402339), (119, 233289), (147, 188853), (153, 181447), (161, 172431), (207, 134113), (343, 80937), (357, 77763), (391, 71001), (441, 62951), (483, 57477), (529, 52479), (833, 33327), (1029, 26979), (1071, 25921), (1127, 24633), (1173, 23667), (1449, 19159), (1587, 17493), (2499, 11109), (2737, 10143), (3087, 8993), (3381, 8211), (3519, 7889), (3703, 7497), (4761, 5831)]