51072915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 85250880

約数和(自身を除く): 34177965

約数列:

[1, 3, 5, 15, 29, 87, 137, 145, 411, 435, 685, 857, 2055, 2571, 3973, 4285, 11919, 12855, 19865, 24853, 59595, 74559, 117409, 124265, 352227, 372795, 587045, 1761135, 3404861, 10214583, 17024305, 51072915]

約数ペア:

[(1, 51072915), (3, 17024305), (5, 10214583), (15, 3404861), (29, 1761135), (87, 587045), (137, 372795), (145, 352227), (411, 124265), (435, 117409), (685, 74559), (857, 59595), (2055, 24853), (2571, 19865), (3973, 12855), (4285, 11919)]