719199

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{683}}^1$

素因数の和:708

約数の個数: 20

約数和(自身を含む): 1158696

約数和(自身を除く): 439497

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 683, 1053, 2049, 6147, 8879, 18441, 26637, 55323, 79911, 239733, 719199]

約数ペア:

[(1, 719199), (3, 239733), (9, 79911), (13, 55323), (27, 26637), (39, 18441), (81, 8879), (117, 6147), (351, 2049), (683, 1053)]