1264131

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^2$

素因数の和:243

約数の個数: 18

約数和(自身を含む): 2009748

約数和(自身を除く): 745617

約数列:

[1, 3, 9, 11, 33, 99, 113, 339, 1017, 1243, 3729, 11187, 12769, 38307, 114921, 140459, 421377, 1264131]

約数ペア:

[(1, 1264131), (3, 421377), (9, 140459), (11, 114921), (33, 38307), (99, 12769), (113, 11187), (339, 3729), (1017, 1243)]