388671987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{16381}}^1$

素因数の和:17114

約数の個数: 16

約数和(自身を含む): 566161920

約数和(自身を除く): 177489933

約数列:

[1, 3, 11, 33, 719, 2157, 7909, 16381, 23727, 49143, 180191, 540573, 11777939, 35333817, 129557329, 388671987]

約数ペア:

[(1, 388671987), (3, 129557329), (11, 35333817), (33, 11777939), (719, 540573), (2157, 180191), (7909, 49143), (16381, 23727)]