388998909

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1108259}}^1$

素因数の和:1108281

約数の個数: 16

約数和(自身を含む): 620625600

約数和(自身を除く): 231626691

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1108259, 3324777, 9974331, 14407367, 29922993, 43222101, 129666303, 388998909]

約数ペア:

[(1, 388998909), (3, 129666303), (9, 43222101), (13, 29922993), (27, 14407367), (39, 9974331), (117, 3324777), (351, 1108259)]