221405838

素因数分解:

$2^1\times 3^1\times {\mathrm{509}}^1\times {\mathrm{72497}}^1$

素因数の和:73011

約数の個数: 16

約数和(自身を含む): 443687760

約数和(自身を除く): 222281922

約数列:

[1, 2, 3, 6, 509, 1018, 1527, 3054, 72497, 144994, 217491, 434982, 36900973, 73801946, 110702919, 221405838]

約数ペア:

[(1, 221405838), (2, 110702919), (3, 73801946), (6, 36900973), (509, 434982), (1018, 217491), (1527, 144994), (3054, 72497)]