201916449

素因数分解:

$3^3\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1871}}^1$

素因数の和:2458

約数の個数: 32

約数和(自身を含む): 342650880

約数和(自身を除く): 140734431

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 571, 1713, 1871, 3997, 5139, 5613, 11991, 13097, 15417, 16839, 35973, 39291, 50517, 107919, 117873, 353619, 1068341, 3205023, 7478387, 9615069, 22435161, 28845207, 67305483, 201916449]

約数ペア:

[(1, 201916449), (3, 67305483), (7, 28845207), (9, 22435161), (21, 9615069), (27, 7478387), (63, 3205023), (189, 1068341), (571, 353619), (1713, 117873), (1871, 107919), (3997, 50517), (5139, 39291), (5613, 35973), (11991, 16839), (13097, 15417)]