31145829

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 49459200

約数和(自身を除く): 18313371

約数列:

[1, 3, 11, 13, 33, 39, 79, 143, 237, 429, 869, 919, 1027, 2607, 2757, 3081, 10109, 11297, 11947, 30327, 33891, 35841, 72601, 131417, 217803, 394251, 798611, 943813, 2395833, 2831439, 10381943, 31145829]

約数ペア:

[(1, 31145829), (3, 10381943), (11, 2831439), (13, 2395833), (33, 943813), (39, 798611), (79, 394251), (143, 217803), (237, 131417), (429, 72601), (869, 35841), (919, 33891), (1027, 30327), (2607, 11947), (2757, 11297), (3081, 10109)]