69987775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19577}}^1$

素因数の和:19611

約数の個数: 24

約数和(自身を含む): 101962224

約数和(自身を除く): 31974449

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 19577, 97885, 215347, 254501, 489425, 1076735, 1272505, 2799511, 5383675, 6362525, 13997555, 69987775]

約数ペア:

[(1, 69987775), (5, 13997555), (11, 6362525), (13, 5383675), (25, 2799511), (55, 1272505), (65, 1076735), (143, 489425), (275, 254501), (325, 215347), (715, 97885), (3575, 19577)]