16401123

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{10657}}^1$

素因数の和:10688

約数の個数: 20

約数和(自身を含む): 25792360

約数和(自身を除く): 9391237

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 10657, 31971, 95913, 202483, 287739, 607449, 863217, 1822347, 5467041, 16401123]

約数ペア:

[(1, 16401123), (3, 5467041), (9, 1822347), (19, 863217), (27, 607449), (57, 287739), (81, 202483), (171, 95913), (513, 31971), (1539, 10657)]