12580869

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31531}}^1$

素因数の和:31560

約数の個数: 16

約数和(自身を含む): 20180480

約数和(自身を除く): 7599611

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 31531, 94593, 220717, 599089, 662151, 1797267, 4193623, 12580869]

約数ペア:

[(1, 12580869), (3, 4193623), (7, 1797267), (19, 662151), (21, 599089), (57, 220717), (133, 94593), (399, 31531)]