1831221

素因数分解:

$3^3\times 7^1\times {\mathrm{9689}}^1$

素因数の和:9705

約数の個数: 16

約数和(自身を含む): 3100800

約数和(自身を除く): 1269579

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 9689, 29067, 67823, 87201, 203469, 261603, 610407, 1831221]

約数ペア:

[(1, 1831221), (3, 610407), (7, 261603), (9, 203469), (21, 87201), (27, 67823), (63, 29067), (189, 9689)]