291447

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 24

約数和(自身を含む): 471744

約数和(自身を除く): 180297

約数列:

[1, 3, 9, 13, 39, 47, 53, 117, 141, 159, 423, 477, 611, 689, 1833, 2067, 2491, 5499, 6201, 7473, 22419, 32383, 97149, 291447]

約数ペア:

[(1, 291447), (3, 97149), (9, 32383), (13, 22419), (39, 7473), (47, 6201), (53, 5499), (117, 2491), (141, 2067), (159, 1833), (423, 689), (477, 611)]