78877113

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 133079040

約数和(自身を除く): 54201927

約数列:

[1, 3, 7, 19, 21, 31, 49, 57, 93, 133, 147, 217, 399, 589, 651, 911, 931, 1519, 1767, 2733, 2793, 4123, 4557, 6377, 12369, 17309, 19131, 28241, 28861, 44639, 51927, 84723, 86583, 121163, 133917, 197687, 363489, 536579, 593061, 848141, 1383809, 1609737, 2544423, 3756053, 4151427, 11268159, 26292371, 78877113]

約数ペア:

[(1, 78877113), (3, 26292371), (7, 11268159), (19, 4151427), (21, 3756053), (31, 2544423), (49, 1609737), (57, 1383809), (93, 848141), (133, 593061), (147, 536579), (217, 363489), (399, 197687), (589, 133917), (651, 121163), (911, 86583), (931, 84723), (1519, 51927), (1767, 44639), (2733, 28861), (2793, 28241), (4123, 19131), (4557, 17309), (6377, 12369)]