78038289

素因数分解:

$3^3\times 7^1\times {\mathrm{412901}}^1$

素因数の和:412917

約数の個数: 16

約数和(自身を含む): 132128640

約数和(自身を除く): 54090351

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 412901, 1238703, 2890307, 3716109, 8670921, 11148327, 26012763, 78038289]

約数ペア:

[(1, 78038289), (3, 26012763), (7, 11148327), (9, 8670921), (21, 3716109), (27, 2890307), (63, 1238703), (189, 412901)]