31690293

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 43259136

約数和(自身を除く): 11568843

約数列:

[1, 3, 61, 157, 183, 471, 1103, 3309, 9577, 28731, 67283, 173171, 201849, 519513, 10563431, 31690293]

約数ペア:

[(1, 31690293), (3, 10563431), (61, 519513), (157, 201849), (183, 173171), (471, 67283), (1103, 28731), (3309, 9577)]