1285655553

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1569787}}^1$

素因数の和:1569813

約数の個数: 24

約数和(自身を含む): 2285611328

約数和(自身を除く): 999955775

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1569787, 4709361, 10988509, 14128083, 20407231, 32965527, 61221693, 98896581, 142850617, 183665079, 428551851, 1285655553]

約数ペア:

[(1, 1285655553), (3, 428551851), (7, 183665079), (9, 142850617), (13, 98896581), (21, 61221693), (39, 32965527), (63, 20407231), (91, 14128083), (117, 10988509), (273, 4709361), (819, 1569787)]