28459791

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 42202160

約数和(自身を除く): 13742369

約数列:

[1, 3, 9, 67, 109, 201, 327, 433, 603, 981, 1299, 3897, 7303, 21909, 29011, 47197, 65727, 87033, 141591, 261099, 424773, 3162199, 9486597, 28459791]

約数ペア:

[(1, 28459791), (3, 9486597), (9, 3162199), (67, 424773), (109, 261099), (201, 141591), (327, 87033), (433, 65727), (603, 47197), (981, 29011), (1299, 21909), (3897, 7303)]