199123197

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{729389}}^1$

素因数の和:729412

約数の個数: 16

約数和(自身を含む): 326766720

約数和(自身を除く): 127643523

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 729389, 2188167, 5105723, 9482057, 15317169, 28446171, 66374399, 199123197]

約数ペア:

[(1, 199123197), (3, 66374399), (7, 28446171), (13, 15317169), (21, 9482057), (39, 5105723), (91, 2188167), (273, 729389)]