127943775

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{8009}}^1$

素因数の和:8096

約数の個数: 36

約数和(自身を含む): 232418160

約数和(自身を除く): 104474385

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 5325, 8009, 15975, 24027, 40045, 72081, 120135, 200225, 360405, 568639, 600675, 1705917, 1802025, 2843195, 5117751, 8529585, 14215975, 25588755, 42647925, 127943775]

約数ペア:

[(1, 127943775), (3, 42647925), (5, 25588755), (9, 14215975), (15, 8529585), (25, 5117751), (45, 2843195), (71, 1802025), (75, 1705917), (213, 600675), (225, 568639), (355, 360405), (639, 200225), (1065, 120135), (1775, 72081), (3195, 40045), (5325, 24027), (8009, 15975)]