247487793

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{222361}}^1$

素因数の和:222424

約数の個数: 16

約数和(自身を含む): 384241536

約数和(自身を除く): 136753743

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 222361, 667083, 1556527, 4669581, 11785133, 35355399, 82495931, 247487793]

約数ペア:

[(1, 247487793), (3, 82495931), (7, 35355399), (21, 11785133), (53, 4669581), (159, 1556527), (371, 667083), (1113, 222361)]