28555665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 48854016

約数和(自身を除く): 20298351

約数列:

[1, 3, 5, 15, 17, 51, 85, 113, 255, 339, 565, 991, 1695, 1921, 2973, 4955, 5763, 9605, 14865, 16847, 28815, 50541, 84235, 111983, 252705, 335949, 559915, 1679745, 1903711, 5711133, 9518555, 28555665]

約数ペア:

[(1, 28555665), (3, 9518555), (5, 5711133), (15, 1903711), (17, 1679745), (51, 559915), (85, 335949), (113, 252705), (255, 111983), (339, 84235), (565, 50541), (991, 28815), (1695, 16847), (1921, 14865), (2973, 9605), (4955, 5763)]