5405715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{131}}^2$

素因数の和:280

約数の個数: 36

約数和(自身を含む): 10790832

約数和(自身を除く): 5385117

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 131, 315, 393, 655, 917, 1179, 1965, 2751, 4585, 5895, 8253, 13755, 17161, 41265, 51483, 85805, 120127, 154449, 257415, 360381, 600635, 772245, 1081143, 1801905, 5405715]

約数ペア:

[(1, 5405715), (3, 1801905), (5, 1081143), (7, 772245), (9, 600635), (15, 360381), (21, 257415), (35, 154449), (45, 120127), (63, 85805), (105, 51483), (131, 41265), (315, 17161), (393, 13755), (655, 8253), (917, 5895), (1179, 4585), (1965, 2751)]