51870915

素因数分解:

$3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1723}}^1$

素因数の和:1960

約数の個数: 32

約数和(自身を含む): 92682240

約数和(自身を除く): 40811325

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 223, 669, 1115, 1723, 2007, 3345, 5169, 6021, 8615, 10035, 15507, 25845, 30105, 46521, 77535, 232605, 384229, 1152687, 1921145, 3458061, 5763435, 10374183, 17290305, 51870915]

約数ペア:

[(1, 51870915), (3, 17290305), (5, 10374183), (9, 5763435), (15, 3458061), (27, 1921145), (45, 1152687), (135, 384229), (223, 232605), (669, 77535), (1115, 46521), (1723, 30105), (2007, 25845), (3345, 15507), (5169, 10035), (6021, 8615)]