206501973

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{21859}}^1$

素因数の和:21976

約数の個数: 16

約数和(自身を含む): 285404160

約数和(自身を除く): 78902187

約数列:

[1, 3, 47, 67, 141, 201, 3149, 9447, 21859, 65577, 1027373, 1464553, 3082119, 4393659, 68833991, 206501973]

約数ペア:

[(1, 206501973), (3, 68833991), (47, 4393659), (67, 3082119), (141, 1464553), (201, 1027373), (3149, 65577), (9447, 21859)]