127904979

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 185414400

約数和(自身を除く): 57509421

約数列:

[1, 3, 19, 57, 59, 73, 177, 219, 521, 1121, 1387, 1563, 3363, 4161, 4307, 9899, 12921, 29697, 30739, 38033, 81833, 92217, 114099, 245499, 584041, 722627, 1752123, 2167881, 2243947, 6731841, 42634993, 127904979]

約数ペア:

[(1, 127904979), (3, 42634993), (19, 6731841), (57, 2243947), (59, 2167881), (73, 1752123), (177, 722627), (219, 584041), (521, 245499), (1121, 114099), (1387, 92217), (1563, 81833), (3363, 38033), (4161, 30739), (4307, 29697), (9899, 12921)]