18662751

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{4139}}^1$

素因数の和:4315

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 9158049

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4139, 4509, 12417, 37251, 111753, 691213, 2073639, 6220917, 18662751]

約数ペア:

[(1, 18662751), (3, 6220917), (9, 2073639), (27, 691213), (167, 111753), (501, 37251), (1503, 12417), (4139, 4509)]