858455739

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{557801}}^1$

素因数の和:557832

約数の個数: 20

約数和(自身を含む): 1349880840

約数和(自身を除く): 491425101

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 557801, 1673403, 5020209, 10598219, 15060627, 31794657, 45181881, 95383971, 286151913, 858455739]

約数ペア:

[(1, 858455739), (3, 286151913), (9, 95383971), (19, 45181881), (27, 31794657), (57, 15060627), (81, 10598219), (171, 5020209), (513, 1673403), (1539, 557801)]