248655231

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 425088000

約数和(自身を除く): 176432769

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 89, 99, 207, 253, 267, 297, 409, 621, 759, 801, 979, 1227, 2047, 2277, 2403, 2937, 3681, 4499, 6141, 6831, 8811, 9407, 11043, 13497, 18423, 22517, 26433, 28221, 36401, 40491, 55269, 67551, 84663, 103477, 109203, 121473, 202653, 253989, 310431, 327609, 400411, 607959, 837223, 931293, 982827, 1201233, 2511669, 2793879, 3603699, 7535007, 9209453, 10811097, 22605021, 27628359, 82885077, 248655231]

約数ペア:

[(1, 248655231), (3, 82885077), (9, 27628359), (11, 22605021), (23, 10811097), (27, 9209453), (33, 7535007), (69, 3603699), (89, 2793879), (99, 2511669), (207, 1201233), (253, 982827), (267, 931293), (297, 837223), (409, 607959), (621, 400411), (759, 327609), (801, 310431), (979, 253989), (1227, 202653), (2047, 121473), (2277, 109203), (2403, 103477), (2937, 84663), (3681, 67551), (4499, 55269), (6141, 40491), (6831, 36401), (8811, 28221), (9407, 26433), (11043, 22517), (13497, 18423)]