12121317

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 18983328

約数和(自身を除く): 6862011

約数列:

[1, 3, 9, 13, 39, 117, 211, 491, 633, 1473, 1899, 2743, 4419, 6383, 8229, 19149, 24687, 57447, 103601, 310803, 932409, 1346813, 4040439, 12121317]

約数ペア:

[(1, 12121317), (3, 4040439), (9, 1346813), (13, 932409), (39, 310803), (117, 103601), (211, 57447), (491, 24687), (633, 19149), (1473, 8229), (1899, 6383), (2743, 4419)]