678989943

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{577}}^1\times {\mathrm{2467}}^1$

素因数の和:3103

約数の個数: 24

約数和(自身を含む): 1001405808

約数和(自身を除く): 322415865

約数列:

[1, 3, 9, 53, 159, 477, 577, 1731, 2467, 5193, 7401, 22203, 30581, 91743, 130751, 275229, 392253, 1176759, 1423459, 4270377, 12811131, 75443327, 226329981, 678989943]

約数ペア:

[(1, 678989943), (3, 226329981), (9, 75443327), (53, 12811131), (159, 4270377), (477, 1423459), (577, 1176759), (1731, 392253), (2467, 275229), (5193, 130751), (7401, 91743), (22203, 30581)]