206971599

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 293522944

約数和(自身を除く): 86551345

約数列:

[1, 3, 37, 43, 103, 111, 129, 309, 421, 1263, 1591, 3811, 4429, 4773, 11433, 13287, 15577, 18103, 43363, 46731, 54309, 130089, 163873, 491619, 669811, 1604431, 1864609, 2009433, 4813293, 5593827, 68990533, 206971599]

約数ペア:

[(1, 206971599), (3, 68990533), (37, 5593827), (43, 4813293), (103, 2009433), (111, 1864609), (129, 1604431), (309, 669811), (421, 491619), (1263, 163873), (1591, 130089), (3811, 54309), (4429, 46731), (4773, 43363), (11433, 18103), (13287, 15577)]