196173819

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{9649}}^1$

素因数の和:9912

約数の個数: 20

約数和(自身を含む): 294247800

約数和(自身を除く): 98073981

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 6777, 9649, 20331, 28947, 86841, 260523, 781569, 2421899, 7265697, 21797091, 65391273, 196173819]

約数ペア:

[(1, 196173819), (3, 65391273), (9, 21797091), (27, 7265697), (81, 2421899), (251, 781569), (753, 260523), (2259, 86841), (6777, 28947), (9649, 20331)]