28891863

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1069}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 57523200

約数和(自身を除く): 28631337

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 117, 143, 189, 231, 273, 297, 351, 429, 693, 819, 1001, 1069, 1287, 2079, 2457, 3003, 3207, 3861, 7483, 9009, 9621, 11759, 13897, 22449, 27027, 28863, 35277, 41691, 67347, 82313, 97279, 105831, 125073, 152867, 202041, 246939, 291837, 317493, 375219, 458601, 740817, 875511, 1070069, 1375803, 2222451, 2626533, 3210207, 4127409, 9630621, 28891863]

約数ペア:

[(1, 28891863), (3, 9630621), (7, 4127409), (9, 3210207), (11, 2626533), (13, 2222451), (21, 1375803), (27, 1070069), (33, 875511), (39, 740817), (63, 458601), (77, 375219), (91, 317493), (99, 291837), (117, 246939), (143, 202041), (189, 152867), (231, 125073), (273, 105831), (297, 97279), (351, 82313), (429, 67347), (693, 41691), (819, 35277), (1001, 28863), (1069, 27027), (1287, 22449), (2079, 13897), (2457, 11759), (3003, 9621), (3207, 9009), (3861, 7483)]