155478123

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{28649}}^1$

素因数の和:28728

約数の個数: 20

約数和(自身を含む): 235732200

約数和(自身を除く): 80254077

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 28649, 85947, 257841, 773523, 1919483, 2320569, 5758449, 17275347, 51826041, 155478123]

約数ペア:

[(1, 155478123), (3, 51826041), (9, 17275347), (27, 5758449), (67, 2320569), (81, 1919483), (201, 773523), (603, 257841), (1809, 85947), (5427, 28649)]