21525729

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{433}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 29289792

約数和(自身を除く): 7764063

約数列:

[1, 3, 73, 219, 227, 433, 681, 1299, 16571, 31609, 49713, 94827, 98291, 294873, 7175243, 21525729]

約数ペア:

[(1, 21525729), (3, 7175243), (73, 294873), (219, 98291), (227, 94827), (433, 49713), (681, 31609), (1299, 16571)]