81181329

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 116619264

約数和(自身を除く): 35437935

約数列:

[1, 3, 23, 69, 71, 73, 213, 219, 227, 681, 1633, 1679, 4899, 5037, 5183, 5221, 15549, 15663, 16117, 16571, 48351, 49713, 119209, 357627, 370691, 381133, 1112073, 1143399, 1176541, 3529623, 27060443, 81181329]

約数ペア:

[(1, 81181329), (3, 27060443), (23, 3529623), (69, 1176541), (71, 1143399), (73, 1112073), (213, 381133), (219, 370691), (227, 357627), (681, 119209), (1633, 49713), (1679, 48351), (4899, 16571), (5037, 16117), (5183, 15663), (5221, 15549)]