247199823

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 420403200

約数和(自身を除く): 173203377

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 101, 117, 171, 247, 303, 351, 367, 513, 741, 909, 1101, 1313, 1919, 2223, 2727, 3303, 3939, 4771, 5757, 6669, 6973, 9909, 11817, 14313, 17271, 20919, 24947, 35451, 37067, 42939, 51813, 62757, 74841, 90649, 111201, 128817, 188271, 224523, 271947, 333603, 481871, 673569, 704273, 815841, 1000809, 1445613, 2112819, 2447523, 4336839, 6338457, 9155549, 13010517, 19015371, 27466647, 82399941, 247199823]

約数ペア:

[(1, 247199823), (3, 82399941), (9, 27466647), (13, 19015371), (19, 13010517), (27, 9155549), (39, 6338457), (57, 4336839), (101, 2447523), (117, 2112819), (171, 1445613), (247, 1000809), (303, 815841), (351, 704273), (367, 673569), (513, 481871), (741, 333603), (909, 271947), (1101, 224523), (1313, 188271), (1919, 128817), (2223, 111201), (2727, 90649), (3303, 74841), (3939, 62757), (4771, 51813), (5757, 42939), (6669, 37067), (6973, 35451), (9909, 24947), (11817, 20919), (14313, 17271)]