28615653

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 49156800

約数和(自身を除く): 20541147

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 171, 209, 297, 363, 461, 513, 627, 1089, 1383, 1881, 2299, 3267, 4149, 5071, 5643, 6897, 8759, 12447, 15213, 20691, 26277, 45639, 55781, 62073, 78831, 96349, 136917, 167343, 236493, 289047, 502029, 867141, 1059839, 1506087, 2601423, 3179517, 9538551, 28615653]

約数ペア:

[(1, 28615653), (3, 9538551), (9, 3179517), (11, 2601423), (19, 1506087), (27, 1059839), (33, 867141), (57, 502029), (99, 289047), (121, 236493), (171, 167343), (209, 136917), (297, 96349), (363, 78831), (461, 62073), (513, 55781), (627, 45639), (1089, 26277), (1383, 20691), (1881, 15213), (2299, 12447), (3267, 8759), (4149, 6897), (5071, 5643)]