11937681

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9973}}^1$

素因数の和:10005

約数の個数: 24

約数和(自身を含む): 20745920

約数和(自身を除く): 8808239

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 9973, 29919, 69811, 89757, 189487, 209433, 568461, 628299, 1326409, 1705383, 3979227, 11937681]

約数ペア:

[(1, 11937681), (3, 3979227), (7, 1705383), (9, 1326409), (19, 628299), (21, 568461), (57, 209433), (63, 189487), (133, 89757), (171, 69811), (399, 29919), (1197, 9973)]