28028847

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1811}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 47314944

約数和(自身を除く): 19286097

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 1407, 1811, 2211, 5159, 5433, 12677, 15477, 19921, 38031, 59763, 121337, 139447, 364011, 418341, 849359, 1334707, 2548077, 4004121, 9342949, 28028847]

約数ペア:

[(1, 28028847), (3, 9342949), (7, 4004121), (11, 2548077), (21, 1334707), (33, 849359), (67, 418341), (77, 364011), (201, 139447), (231, 121337), (469, 59763), (737, 38031), (1407, 19921), (1811, 15477), (2211, 12677), (5159, 5433)]