27280001

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 33445440

約数和(自身を除く): 6165439

約数列:

[1, 7, 23, 53, 139, 161, 371, 529, 973, 1219, 3197, 3703, 7367, 8533, 22379, 28037, 51569, 73531, 169441, 196259, 514717, 1186087, 3897143, 27280001]

約数ペア:

[(1, 27280001), (7, 3897143), (23, 1186087), (53, 514717), (139, 196259), (161, 169441), (371, 73531), (529, 51569), (973, 28037), (1219, 22379), (3197, 8533), (3703, 7367)]