16866213

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61781}}^1$

素因数の和:61804

約数の個数: 16

約数和(自身を含む): 27678336

約数和(自身を除く): 10812123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 61781, 185343, 432467, 803153, 1297401, 2409459, 5622071, 16866213]

約数ペア:

[(1, 16866213), (3, 5622071), (7, 2409459), (13, 1297401), (21, 803153), (39, 432467), (91, 185343), (273, 61781)]