25207119

素因数分解:

$3^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 46060560

約数和(自身を除く): 20853441

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 73, 81, 87, 147, 189, 203, 219, 243, 261, 441, 511, 567, 609, 657, 783, 1323, 1421, 1533, 1701, 1827, 1971, 2117, 2349, 3577, 3969, 4263, 4599, 5481, 5913, 6351, 7047, 10731, 11907, 12789, 13797, 14819, 16443, 17739, 19053, 32193, 38367, 41391, 44457, 49329, 57159, 96579, 103733, 115101, 124173, 133371, 171477, 289737, 311199, 345303, 400113, 514431, 869211, 933597, 1200339, 2800791, 3601017, 8402373, 25207119]

約数ペア:

[(1, 25207119), (3, 8402373), (7, 3601017), (9, 2800791), (21, 1200339), (27, 933597), (29, 869211), (49, 514431), (63, 400113), (73, 345303), (81, 311199), (87, 289737), (147, 171477), (189, 133371), (203, 124173), (219, 115101), (243, 103733), (261, 96579), (441, 57159), (511, 49329), (567, 44457), (609, 41391), (657, 38367), (783, 32193), (1323, 19053), (1421, 17739), (1533, 16443), (1701, 14819), (1827, 13797), (1971, 12789), (2117, 11907), (2349, 10731), (3577, 7047), (3969, 6351), (4263, 5913), (4599, 5481)]