1255368537

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{218287}}^1$

素因数の和:218370

約数の個数: 20

約数和(自身を含む): 1901725056

約数和(自身を除く): 646356519

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 218287, 654861, 1964583, 5893749, 15498377, 17681247, 46495131, 139485393, 418456179, 1255368537]

約数ペア:

[(1, 1255368537), (3, 418456179), (9, 139485393), (27, 46495131), (71, 17681247), (81, 15498377), (213, 5893749), (639, 1964583), (1917, 654861), (5751, 218287)]