38905815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1571}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 67608576

約数和(自身を除く): 28702761

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 1571, 1651, 1905, 4713, 4953, 7855, 8255, 20423, 23565, 24765, 61269, 102115, 199517, 306345, 598551, 997585, 2593721, 2992755, 7781163, 12968605, 38905815]

約数ペア:

[(1, 38905815), (3, 12968605), (5, 7781163), (13, 2992755), (15, 2593721), (39, 997585), (65, 598551), (127, 306345), (195, 199517), (381, 102115), (635, 61269), (1571, 24765), (1651, 23565), (1905, 20423), (4713, 8255), (4953, 7855)]