72125919

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1999}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 110240000

約数和(自身を除く): 38114081

約数列:

[1, 3, 9, 19, 57, 171, 211, 633, 1899, 1999, 4009, 5997, 12027, 17991, 36081, 37981, 113943, 341829, 421789, 1265367, 3796101, 8013991, 24041973, 72125919]

約数ペア:

[(1, 72125919), (3, 24041973), (9, 8013991), (19, 3796101), (57, 1265367), (171, 421789), (211, 341829), (633, 113943), (1899, 37981), (1999, 36081), (4009, 17991), (5997, 12027)]