28008099

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 48880128

約数和(自身を除く): 20872029

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1051, 1269, 2961, 3153, 3807, 7357, 8883, 9459, 22071, 26649, 28377, 49397, 66213, 85131, 148191, 198639, 345779, 444573, 595917, 1037337, 1333719, 3112011, 4001157, 9336033, 28008099]

約数ペア:

[(1, 28008099), (3, 9336033), (7, 4001157), (9, 3112011), (21, 1333719), (27, 1037337), (47, 595917), (63, 444573), (81, 345779), (141, 198639), (189, 148191), (329, 85131), (423, 66213), (567, 49397), (987, 28377), (1051, 26649), (1269, 22071), (2961, 9459), (3153, 8883), (3807, 7357)]