291212361

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 497664000

約数和(自身を除く): 206451639

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 89, 99, 207, 253, 267, 297, 479, 621, 759, 801, 979, 1437, 2047, 2277, 2403, 2937, 4311, 5269, 6141, 6831, 8811, 11017, 12933, 15807, 18423, 22517, 26433, 33051, 42631, 47421, 55269, 67551, 99153, 121187, 127893, 142263, 202653, 297459, 363561, 383679, 468941, 607959, 980513, 1090683, 1151037, 1406823, 2941539, 3272049, 4220469, 8824617, 10785643, 12661407, 26473851, 32356929, 97070787, 291212361]

約数ペア:

[(1, 291212361), (3, 97070787), (9, 32356929), (11, 26473851), (23, 12661407), (27, 10785643), (33, 8824617), (69, 4220469), (89, 3272049), (99, 2941539), (207, 1406823), (253, 1151037), (267, 1090683), (297, 980513), (479, 607959), (621, 468941), (759, 383679), (801, 363561), (979, 297459), (1437, 202653), (2047, 142263), (2277, 127893), (2403, 121187), (2937, 99153), (4311, 67551), (5269, 55269), (6141, 47421), (6831, 42631), (8811, 33051), (11017, 26433), (12933, 22517), (15807, 18423)]