56138139

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{641}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 83727072

約数和(自身を除く): 27588933

約数列:

[1, 3, 9, 37, 111, 263, 333, 641, 789, 1923, 2367, 5769, 9731, 23717, 29193, 71151, 87579, 168583, 213453, 505749, 1517247, 6237571, 18712713, 56138139]

約数ペア:

[(1, 56138139), (3, 18712713), (9, 6237571), (37, 1517247), (111, 505749), (263, 213453), (333, 168583), (641, 87579), (789, 71151), (1923, 29193), (2367, 23717), (5769, 9731)]