898502409

素因数分解:

$3^3\times 7^1\times {\mathrm{4753981}}^1$

素因数の和:4753997

約数の個数: 16

約数和(自身を含む): 1521274240

約数和(自身を除く): 622771831

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 4753981, 14261943, 33277867, 42785829, 99833601, 128357487, 299500803, 898502409]

約数ペア:

[(1, 898502409), (3, 299500803), (7, 128357487), (9, 99833601), (21, 42785829), (27, 33277867), (63, 14261943), (189, 4753981)]