208504989

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{100291}}^1$

素因数の和:100318

約数の個数: 32

約数和(自身を含む): 385121280

約数和(自身を除く): 176616291

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 100291, 300873, 702037, 902619, 1103201, 2106111, 2707857, 3309603, 6318333, 7722407, 9928809, 18954999, 23167221, 29786427, 69501663, 208504989]

約数ペア:

[(1, 208504989), (3, 69501663), (7, 29786427), (9, 23167221), (11, 18954999), (21, 9928809), (27, 7722407), (33, 6318333), (63, 3309603), (77, 2707857), (99, 2106111), (189, 1103201), (231, 902619), (297, 702037), (693, 300873), (2079, 100291)]