28804743

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 47923200

約数和(自身を除く): 19118457

約数列:

[1, 3, 9, 11, 29, 33, 79, 87, 99, 127, 237, 261, 319, 381, 711, 869, 957, 1143, 1397, 2291, 2607, 2871, 3683, 4191, 6873, 7821, 10033, 11049, 12573, 20619, 25201, 30099, 33147, 40513, 75603, 90297, 110363, 121539, 226809, 290957, 331089, 364617, 872871, 993267, 2618613, 3200527, 9601581, 28804743]

約数ペア:

[(1, 28804743), (3, 9601581), (9, 3200527), (11, 2618613), (29, 993267), (33, 872871), (79, 364617), (87, 331089), (99, 290957), (127, 226809), (237, 121539), (261, 110363), (319, 90297), (381, 75603), (711, 40513), (869, 33147), (957, 30099), (1143, 25201), (1397, 20619), (2291, 12573), (2607, 11049), (2871, 10033), (3683, 7821), (4191, 6873)]