31531071

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1097}}^1$

素因数の和:1191

約数の個数: 32

約数和(自身を含む): 50174208

約数和(自身を除く): 18643137

約数列:

[1, 3, 11, 13, 33, 39, 67, 143, 201, 429, 737, 871, 1097, 2211, 2613, 3291, 9581, 12067, 14261, 28743, 36201, 42783, 73499, 156871, 220497, 470613, 808489, 955487, 2425467, 2866461, 10510357, 31531071]

約数ペア:

[(1, 31531071), (3, 10510357), (11, 2866461), (13, 2425467), (33, 955487), (39, 808489), (67, 470613), (143, 220497), (201, 156871), (429, 73499), (737, 42783), (871, 36201), (1097, 28743), (2211, 14261), (2613, 12067), (3291, 9581)]