28052661

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 46348288

約数和(自身を除く): 18295627

約数列:

[1, 3, 7, 13, 21, 39, 91, 211, 273, 487, 633, 1461, 1477, 2743, 3409, 4431, 6331, 8229, 10227, 18993, 19201, 44317, 57603, 102757, 132951, 308271, 719299, 1335841, 2157897, 4007523, 9350887, 28052661]

約数ペア:

[(1, 28052661), (3, 9350887), (7, 4007523), (13, 2157897), (21, 1335841), (39, 719299), (91, 308271), (211, 132951), (273, 102757), (487, 57603), (633, 44317), (1461, 19201), (1477, 18993), (2743, 10227), (3409, 8229), (4431, 6331)]