77987325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79987}}^1$

素因数の和:80013

約数の個数: 24

約数和(自身を含む): 138859168

約数和(自身を除く): 60871843

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 79987, 239961, 399935, 1039831, 1199805, 1999675, 3119493, 5199155, 5999025, 15597465, 25995775, 77987325]

約数ペア:

[(1, 77987325), (3, 25995775), (5, 15597465), (13, 5999025), (15, 5199155), (25, 3119493), (39, 1999675), (65, 1199805), (75, 1039831), (195, 399935), (325, 239961), (975, 79987)]