171661503

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 254983680

約数和(自身を除く): 83322177

約数列:

[1, 3, 13, 39, 59, 61, 177, 183, 767, 793, 1223, 2301, 2379, 3599, 3669, 10797, 15899, 46787, 47697, 72157, 74603, 140361, 216471, 223809, 938041, 969839, 2814123, 2909517, 4401577, 13204731, 57220501, 171661503]

約数ペア:

[(1, 171661503), (3, 57220501), (13, 13204731), (39, 4401577), (59, 2909517), (61, 2814123), (177, 969839), (183, 938041), (767, 223809), (793, 216471), (1223, 140361), (2301, 74603), (2379, 72157), (3599, 47697), (3669, 46787), (10797, 15899)]