201320511

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4057}}^1$

素因数の和:4223

約数の個数: 32

約数和(自身を含む): 327237120

約数和(自身を除く): 125916609

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 417, 973, 2363, 2919, 4057, 7089, 12171, 16541, 28399, 49623, 68969, 85197, 206907, 482783, 563923, 1448349, 1691769, 3947461, 9586691, 11842383, 28760073, 67106837, 201320511]

約数ペア:

[(1, 201320511), (3, 67106837), (7, 28760073), (17, 11842383), (21, 9586691), (51, 3947461), (119, 1691769), (139, 1448349), (357, 563923), (417, 482783), (973, 206907), (2363, 85197), (2919, 68969), (4057, 49623), (7089, 28399), (12171, 16541)]