215157085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2663}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 306125568

約数和(自身を除く): 90968483

約数列:

[1, 5, 11, 13, 55, 65, 113, 143, 565, 715, 1243, 1469, 2663, 6215, 7345, 13315, 16159, 29293, 34619, 80795, 146465, 173095, 300919, 380809, 1504595, 1904045, 3310109, 3911947, 16550545, 19559735, 43031417, 215157085]

約数ペア:

[(1, 215157085), (5, 43031417), (11, 19559735), (13, 16550545), (55, 3911947), (65, 3310109), (113, 1904045), (143, 1504595), (565, 380809), (715, 300919), (1243, 173095), (1469, 146465), (2663, 80795), (6215, 34619), (7345, 29293), (13315, 16159)]