28028133

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3617}}^1$

素因数の和:3674

約数の個数: 32

約数和(自身を含む): 48625920

約数和(自身を除く): 20597787

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 3617, 7749, 10851, 25319, 32553, 75957, 97659, 148297, 227871, 444891, 683613, 1038079, 1334673, 3114237, 4004019, 9342711, 28028133]

約数ペア:

[(1, 28028133), (3, 9342711), (7, 4004019), (9, 3114237), (21, 1334673), (27, 1038079), (41, 683613), (63, 444891), (123, 227871), (189, 148297), (287, 97659), (369, 75957), (861, 32553), (1107, 25319), (2583, 10851), (3617, 7749)]