249858

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{661}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 635520

約数和(自身を除く): 385662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 661, 1322, 1983, 3966, 4627, 5949, 9254, 11898, 13881, 17847, 27762, 35694, 41643, 83286, 124929, 249858]

約数ペア:

[(1, 249858), (2, 124929), (3, 83286), (6, 41643), (7, 35694), (9, 27762), (14, 17847), (18, 13881), (21, 11898), (27, 9254), (42, 5949), (54, 4627), (63, 3966), (126, 1983), (189, 1322), (378, 661)]