28705503

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 41157648

約数和(自身を除く): 12452145

約数列:

[1, 3, 17, 51, 113, 289, 293, 339, 867, 879, 1921, 4981, 5763, 14943, 32657, 33109, 84677, 97971, 99327, 254031, 562853, 1688559, 9568501, 28705503]

約数ペア:

[(1, 28705503), (3, 9568501), (17, 1688559), (51, 562853), (113, 254031), (289, 99327), (293, 97971), (339, 84677), (867, 33109), (879, 32657), (1921, 14943), (4981, 5763)]