221405131

素因数分解:

${\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 233238528

約数和(自身を除く): 11833397

約数列:

[1, 31, 73, 227, 431, 2263, 7037, 13361, 16571, 31463, 97837, 513701, 975353, 3032947, 7142101, 221405131]

約数ペア:

[(1, 221405131), (31, 7142101), (73, 3032947), (227, 975353), (431, 513701), (2263, 97837), (7037, 31463), (13361, 16571)]