4138725

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 6909280

約数和(自身を除く): 2770555

約数列:

[1, 3, 5, 15, 25, 75, 139, 397, 417, 695, 1191, 1985, 2085, 3475, 5955, 9925, 10425, 29775, 55183, 165549, 275915, 827745, 1379575, 4138725]

約数ペア:

[(1, 4138725), (3, 1379575), (5, 827745), (15, 275915), (25, 165549), (75, 55183), (139, 29775), (397, 10425), (417, 9925), (695, 5955), (1191, 3475), (1985, 2085)]