77481915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^2$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 146091264

約数和(自身を除く): 68609349

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 131, 215, 301, 393, 645, 655, 903, 917, 1505, 1965, 2751, 4515, 4585, 5633, 13755, 16899, 17161, 28165, 39431, 51483, 84495, 85805, 118293, 120127, 197155, 257415, 360381, 591465, 600635, 737923, 1801905, 2213769, 3689615, 5165461, 11068845, 15496383, 25827305, 77481915]

約数ペア:

[(1, 77481915), (3, 25827305), (5, 15496383), (7, 11068845), (15, 5165461), (21, 3689615), (35, 2213769), (43, 1801905), (105, 737923), (129, 600635), (131, 591465), (215, 360381), (301, 257415), (393, 197155), (645, 120127), (655, 118293), (903, 85805), (917, 84495), (1505, 51483), (1965, 39431), (2751, 28165), (4515, 17161), (4585, 16899), (5633, 13755)]