11551221

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 20736000

約数和(自身を除く): 9184779

約数列:

[1, 3, 9, 11, 19, 23, 27, 33, 57, 69, 89, 99, 171, 207, 209, 253, 267, 297, 437, 513, 621, 627, 759, 801, 979, 1311, 1691, 1881, 2047, 2277, 2403, 2937, 3933, 4807, 5073, 5643, 6141, 6831, 8811, 11799, 14421, 15219, 18423, 18601, 22517, 26433, 38893, 43263, 45657, 55269, 55803, 67551, 116679, 129789, 167409, 202653, 350037, 427823, 502227, 607959, 1050111, 1283469, 3850407, 11551221]

約数ペア:

[(1, 11551221), (3, 3850407), (9, 1283469), (11, 1050111), (19, 607959), (23, 502227), (27, 427823), (33, 350037), (57, 202653), (69, 167409), (89, 129789), (99, 116679), (171, 67551), (207, 55803), (209, 55269), (253, 45657), (267, 43263), (297, 38893), (437, 26433), (513, 22517), (621, 18601), (627, 18423), (759, 15219), (801, 14421), (979, 11799), (1311, 8811), (1691, 6831), (1881, 6141), (2047, 5643), (2277, 5073), (2403, 4807), (2937, 3933)]