51253215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15461}}^1$

素因数の和:15499

約数の個数: 32

約数和(自身を含む): 93514176

約数和(自身を除く): 42260961

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 15461, 46383, 77305, 200993, 231915, 262837, 602979, 788511, 1004965, 1314185, 3014895, 3416881, 3942555, 10250643, 17084405, 51253215]

約数ペア:

[(1, 51253215), (3, 17084405), (5, 10250643), (13, 3942555), (15, 3416881), (17, 3014895), (39, 1314185), (51, 1004965), (65, 788511), (85, 602979), (195, 262837), (221, 231915), (255, 200993), (663, 77305), (1105, 46383), (3315, 15461)]