74778315

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 121905216

約数和(自身を除く): 47126901

約数列:

[1, 3, 5, 15, 113, 157, 281, 339, 471, 565, 785, 843, 1405, 1695, 2355, 4215, 17741, 31753, 44117, 53223, 88705, 95259, 132351, 158765, 220585, 266115, 476295, 661755, 4985221, 14955663, 24926105, 74778315]

約数ペア:

[(1, 74778315), (3, 24926105), (5, 14955663), (15, 4985221), (113, 661755), (157, 476295), (281, 266115), (339, 220585), (471, 158765), (565, 132351), (785, 95259), (843, 88705), (1405, 53223), (1695, 44117), (2355, 31753), (4215, 17741)]