261140763

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{155719}}^1$

素因数の和:155778

約数の個数: 16

約数和(自身を含む): 383694080

約数和(自身を除く): 122553317

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 155719, 467157, 2024347, 6073041, 6695917, 20087751, 87046921, 261140763]

約数ペア:

[(1, 261140763), (3, 87046921), (13, 20087751), (39, 6695917), (43, 6073041), (129, 2024347), (559, 467157), (1677, 155719)]