398045265

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{190909}}^1$

素因数の和:191056

約数の個数: 16

約数和(自身を含む): 641457600

約数和(自身を除く): 243412335

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 190909, 572727, 954545, 2863635, 26536351, 79609053, 132681755, 398045265]

約数ペア:

[(1, 398045265), (3, 132681755), (5, 79609053), (15, 26536351), (139, 2863635), (417, 954545), (695, 572727), (2085, 190909)]