249957123

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 394813440

約数和(自身を除く): 144856317

約数列:

[1, 3, 13, 23, 31, 39, 69, 89, 93, 101, 267, 299, 303, 403, 713, 897, 1157, 1209, 1313, 2047, 2139, 2323, 2759, 3131, 3471, 3939, 6141, 6969, 8277, 8989, 9269, 9393, 26611, 26967, 27807, 30199, 35867, 40703, 63457, 72013, 79833, 90597, 107601, 116857, 122109, 190371, 206747, 216039, 278659, 350571, 620241, 824941, 835977, 936169, 2474823, 2687711, 2808507, 3622567, 6409157, 8063133, 10867701, 19227471, 83319041, 249957123]

約数ペア:

[(1, 249957123), (3, 83319041), (13, 19227471), (23, 10867701), (31, 8063133), (39, 6409157), (69, 3622567), (89, 2808507), (93, 2687711), (101, 2474823), (267, 936169), (299, 835977), (303, 824941), (403, 620241), (713, 350571), (897, 278659), (1157, 216039), (1209, 206747), (1313, 190371), (2047, 122109), (2139, 116857), (2323, 107601), (2759, 90597), (3131, 79833), (3471, 72013), (3939, 63457), (6141, 40703), (6969, 35867), (8277, 30199), (8989, 27807), (9269, 26967), (9393, 26611)]