28123227

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 47779200

約数和(自身を除く): 19655973

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 179, 207, 253, 297, 529, 537, 621, 759, 1587, 1611, 1969, 2277, 4117, 4761, 4833, 5819, 5907, 6831, 12351, 14283, 17457, 17721, 37053, 45287, 52371, 53163, 94691, 111159, 135861, 157113, 284073, 407583, 852219, 1041601, 1222749, 2556657, 3124803, 9374409, 28123227]

約数ペア:

[(1, 28123227), (3, 9374409), (9, 3124803), (11, 2556657), (23, 1222749), (27, 1041601), (33, 852219), (69, 407583), (99, 284073), (179, 157113), (207, 135861), (253, 111159), (297, 94691), (529, 53163), (537, 52371), (621, 45287), (759, 37053), (1587, 17721), (1611, 17457), (1969, 14283), (2277, 12351), (4117, 6831), (4761, 5907), (4833, 5819)]