126668521

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 153601280

約数和(自身を除く): 26932759

約数列:

[1, 7, 23, 79, 161, 433, 529, 553, 1817, 3031, 3703, 9959, 12719, 34207, 41791, 69713, 229057, 239449, 292537, 786761, 1603399, 5507327, 18095503, 126668521]

約数ペア:

[(1, 126668521), (7, 18095503), (23, 5507327), (79, 1603399), (161, 786761), (433, 292537), (529, 239449), (553, 229057), (1817, 69713), (3031, 41791), (3703, 34207), (9959, 12719)]