857223

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:588

約数の個数: 20

約数和(自身を含む): 1350360

約数和(自身を除く): 493137

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 557, 1539, 1671, 5013, 10583, 15039, 31749, 45117, 95247, 285741, 857223]

約数ペア:

[(1, 857223), (3, 285741), (9, 95247), (19, 45117), (27, 31749), (57, 15039), (81, 10583), (171, 5013), (513, 1671), (557, 1539)]