205651809

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2441}}^1$

素因数の和:2518

約数の個数: 48

約数和(自身を含む): 347428224

約数和(自身を除く): 141776415

約数列:

[1, 3, 9, 11, 23, 33, 37, 69, 99, 111, 207, 253, 333, 407, 759, 851, 1221, 2277, 2441, 2553, 3663, 7323, 7659, 9361, 21969, 26851, 28083, 56143, 80553, 84249, 90317, 168429, 241659, 270951, 505287, 617573, 812853, 993487, 1852719, 2077291, 2980461, 5558157, 6231873, 8941383, 18695619, 22850201, 68550603, 205651809]

約数ペア:

[(1, 205651809), (3, 68550603), (9, 22850201), (11, 18695619), (23, 8941383), (33, 6231873), (37, 5558157), (69, 2980461), (99, 2077291), (111, 1852719), (207, 993487), (253, 812853), (333, 617573), (407, 505287), (759, 270951), (851, 241659), (1221, 168429), (2277, 90317), (2441, 84249), (2553, 80553), (3663, 56143), (7323, 28083), (7659, 26851), (9361, 21969)]