201851919

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{85931}}^1$

素因数の和:85972

約数の個数: 20

約数和(自身を含む): 311933160

約数和(自身を除く): 110081241

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 85931, 257793, 773379, 2320137, 2491999, 6960411, 7475997, 22427991, 67283973, 201851919]

約数ペア:

[(1, 201851919), (3, 67283973), (9, 22427991), (27, 7475997), (29, 6960411), (81, 2491999), (87, 2320137), (261, 773379), (783, 257793), (2349, 85931)]