201221091

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{15823}}^1$

素因数の和:15992

約数の個数: 20

約数和(自身を含む): 302523232

約数和(自身を除く): 101302141

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 15823, 47469, 142407, 427221, 1281663, 2484211, 7452633, 22357899, 67073697, 201221091]

約数ペア:

[(1, 201221091), (3, 67073697), (9, 22357899), (27, 7452633), (81, 2484211), (157, 1281663), (471, 427221), (1413, 142407), (4239, 47469), (12717, 15823)]