18208281

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{66697}}^1$

素因数の和:66720

約数の個数: 16

約数和(自身を含む): 29880704

約数和(自身を除く): 11672423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 66697, 200091, 466879, 867061, 1400637, 2601183, 6069427, 18208281]

約数ペア:

[(1, 18208281), (3, 6069427), (7, 2601183), (13, 1400637), (21, 867061), (39, 466879), (91, 200091), (273, 66697)]